Fasteners Comprehensive Technicians Guide

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Fasteners Comprehensive Technicians Guide

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Fasteners, Comprehensive Technicians Guide
Naval Ships' Technical Guide
153 pages

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Preface

At first glance nuts and bolts may appear to be simple devices. It is true that they are not complex mechanisms. If you consider the jobs they are required to do, however, they are very sophisticated devices, especially when you realize that a single 1/4-inch, SAE Grade 8 bolt and nut can hold up a full-size car (if the fixture through which the bolt passes also can support the required load). A 1/4-20 UNC 3A, SAE Grade 8 bolt has a tensile stress area of 0.0318 square inch with a proof load capacity of 120,000 pounds per square inch. This gives the bolt an axial load capacity of 3,816 pounds, the approximate weight of a car.

TOC

SECTION 1. INTRODUCTION TO THREADED FASTENERS . 75-1
075-1.1 SCOPE . 75-1
075-1.1.1 GENERAL . 75-1
075-1.1.2 REFERENCE DOCUMENTS . 75-1
075-1.2 GENERAL . 75-2
075-1.2.1 USING FASTENERS . 75-2
075-1.2.2 FASTENER MAINTENANCE PRACTICES 75-3
075-1.2.3 HI SHOCK . 75-3
075-1.2.4 GLOSSARY OF TERMS . 75-4

SECTION 2. IDENTIFICATION OF FASTENERS . 75-7
075-2.1 GENERAL . 75-7
075-2.2 THREAD CLASS, FIT, SERIES, AND DESIGNATION 75-8
075-2.2.1 THREAD CLASSES 75-8
075-2.2.1.1 Class 1 . 75-8
075-2.2.1.2 Class 2 . 75-8
075-2.2.1.3 Class 3 . 75-8
075-2.2.1.4 Class 5 . 75-8
075-2.2.2 THREAD FIT 75-8
075-2.2.2.1 Class 1, 2, and 3 Fit . 75-8
075-2.2.2.2 Class 5 Fit . 75-9
075-2.2.3 THREAD SERIES . 75-9
075-2.2.3.1 UNC (Coarse Thread) Series . 75-9
075-2.2.3.2 UNF (Fine Thread) Series 75-9
075-2.2.3.3 UN (Constant Pitch Thread) Series . 75-9
075-2.2.3.4 UNJ 75-9
075-2.2.3.5 NC (National Coarse Thread) Series 75-9
075-2.2.4 THREAD DESIGNATION 75-9
075-2.2.5 THREAD ACCEPTABILITY, GAUGING 75-10
075-2.2.5.1 Fastener Fit Requirements 75-10
075-2.2.6 THREAD GAUGES 75-10
075-2.3 IDENTIFYING REPLACEMENT FASTENERS 75-11
075-2.3.1 DRAWING IDENTIFICATION REQUIREMENTS . 75-11
075-2.3.2 IDENTIFYING FASTENERS ON APL’S 75-12
075-2.3.3 IDENTIFYING FASTENERS AND FASTENER STANDARD PART NUMBERS WHEN SUPPORT DOCUMENTATION IS LACKING 75-12
075-2.4 CAPSCREWS AND INTERNAL WRENCHING BOLTS . 75-14
075-2.4.1 SOCKET-HEAD CAP SCREWS . 75-14
075-2.4.1.1 Selecting Dimensional Standard 75-14
075-2.4.1.2 NAS 1351 and NAS 1352 Part Numbers 75-18
075-2.4.1.3 Authorized Socket-Head Capscrew Substitutions 75-19
075-2.4.1.4 Socket-Head Capscrew Substitution Requiring NAVSEA Approval 75-20
075-2.4.1.5 Identification of Socket Head Cap Screws . 75-20
075-2.4.2 INTERNAL WRENCHING BOLTS . 75-21
075-2.4.2.1 Distinguishing Internal Wrenching Bolts from Socket-Head Capscrews . 75-21
075-2.4.2.2 Identification Marking of Internal Wrenching Bolts 75-21
075-2.4.2.3 Restrictions on Using Internal Wrenching Bolts 75-21
075-2.4.3 HEXAGON-HEAD CAPSCREWS 75-22
075-2.4.3.1 ASME B 18.2.1 Part Numbering System 75-22
075-2.4.3.2 Zinc and Cadmium Plated Hex Head Cap Screws . 75-23
075-2.4.3.3 Restrictions on the Use of Grade 8, Zinc Plated Hex Head Cap Screws . 75-26
075-2.5 WASHERS . 75-26
075-2.5.1 IDENTIFYING REPLACEMENT WASHERS 75-26
075-2.5.2 COUNTERSUNK WASHERS (SINGLE SURFACE) 75-27
075-2.5.3 COUNTERSUNK WASHERS (TWO SURFACES) . 75-27
075-2.5.4 LOCKWASHERS . 75-27
075-2.6 ZINC-PLATED STEEL NUTS AND WASHERS 75-27
075-2.7 THREAD INSERTS 75-27
075-2.7.1 PURPOSE OF THREAD INSERT 75-27
075-2.8 NONSTANDARD FASTENER APPLICATIONS 75-28
075-2.8.1 LEFT-HAND THREAD APPLICATIONS 75-28
075-2.8.2 UNIFORM STRENGTH FASTENERS 75-30
075-2.8.2.1 Bolt-Studs . 75-30
075-2.8.3 HOLES FOR UNIFORM STRENGTH FASTENERS 75-31

SECTION 3. THREADED FASTENER MATERIALS AND MARKING . 75-35
075-3.1 GENERAL . 75-35
075-3.2 MATERIAL REQUIREMENTS AND SPECIFICATIONS . 75-35
075-3.2.1 FASTENER REQUIREMENTS FOR MIC LEVEL I APPLICATIONS 75-35
075-3.2.2 LEVEL I REQUIREMENTS FOR FASTENERS 75-35
075-3.2.2.1 Procurement Specifications 75-35
075-3.2.2.2 Fastener Identification and Control . 75-35
075-3.2.2.3 Color Coding . 75-36
075-3.2.3 FASTENER MATERIAL CHARACTERISTICS, IDENTIFICATION MARKINGS AND SUGGESTED USE 75-36
075-3.2.3.1 Chemical and Physical Properties 75-36
075-3.2.3.2 Material Identification Markings . 75-36
075-3.2.3.3 Material Identification Markings for Stainless Steel Fasteners 75-37
075-3.2.3.4 Identifying Material When Fasteners Are Not Marked . 75-37
075-3.2.3.5 Manufacturer’s Markings . 75-37
075-3.3 MIL-S-1222 FASTENERS . 75-37
075-3.3.1 BACKGROUND 75-37
075-3.3.2 MIL-S-1222 FASTENER MATERIAL MARKING . 75-38
075-3.3.2.1 300 Series Stainless 75-38
075-3.3.2.2 400 Series Stainless Steel 75-38
075-3.3.2.3 Marking Locations 75-38
075-3.3.3 AVAILABILITY 75-39
075-3.3.3.1 Fastener Part Numbers 75-39
075-3.3.3.2 Other Sources . 75-39
075-3.4 ISSUES AFFECTING MATERiAL SELECTION 75-58
075-3.4.1 CORROSION 75-58
075-3.4.1.1 Oxidation . 75-58
075-3.4.1.2 Galvanic Corrosion 75-58
075-3.4.1.3 Design Considerations to Reduce or Eliminate Corrosion . 75-59
075-3.4.2 HYDROGEN EMBRITTLEMENT AND STRESS CORROSION CRACKING . 75-60
075-3.4.2.1 High-Strength Steel Fasteners 75-60
075-3.4.3 COATINGS . 75-62
075-3.4.3.1 Corrosion Protection . 75-62
075-3.4.3.2 Zinc and Cadmium Coatings . 75-63
075-3.4.3.3 Black Oxide Coated Fasteners 75-63
075-3.4.3.4 Zinc Primer Coating in Accordance with DOD-P-24648 . 75-64
075-3.4.3.5 Metallic-Ceramic Coated Fasteners . 75-66
075-3.5 HIGH-TEMPERATURE FASTENERS 75-66
075-3.6 SUITABLE USES FOR THREADED FASTENERS 75-67
075-3.7 TELEPHONE NUMBERS AND POINTS OF CONTACT . 75-69
075-3.7.1 NAVSEA 75-69
075-3.7.2 DISC 75-69
075-3.7.3 NAVICP-M-P (NAVAL INVENTORY CONTROL POINT), FORMERLY SPCC (SHIPS PARTS CONTROL CENTER) 75-69

SECTION 4. FASTENER TIGHTENING . 75-71
075-4.1 GENERAL . 75-71
075-4.2 TIGHTENING SEQUENCE . 75-72
075-4.3 PRELOAD . 75-72
075-4.3.1 PRELOAD THEORY 75-72
075-4.3.2 PURPOSE OF PRELOAD . 75-72
075-4.3.2.1 Preventing Loosening . 75-73
075-4.3.2.2 Improving Fastener Fatigue Life . 75-73
075-4.3.3 DETERMINING PROPER PRELOAD 75-74
075-4.3.3.1 Determining Design Operating Loads 75-77
075-4.3.3.2 Determining Torque Requirements 75-77
075-4.4 RELAXATION . 75-77
075-4.4.1 General . 75-77
075-4.4.2 INITIAL RELAXATION . 75-77
075-4.4.3 TORSIONAL RELAXATION . 75-78
075-4.4.4 LONG TERM RELAXATION 75-78
075-4.4.4.1 Stress Relaxation . 75-78
075-4.4.4.2 Vibration Relaxation . 75-78
075-4.5 Methods of establishing preload . 75-78
075-4.5.1 TORQUE CONTROL . 75-79
075-4.5.1.1 Units of Measurement 75-79
075-4.5.1.2 Determining Required Torque 75-79
075-4.5.1.3 Applying Torque to a Fastener 75-81
075-4.5.1.4 Torque Wrenches . 75-81
075-4.5.1.5 Tightening Fasteners Using Torque Control . 75-81
075-4.5.1.6 Special Requirements for Spiral-Wound Gaskets 75-82
075-4.5.1.7 Changes in Torque as Fastener Yields 75-82
075-4.5.2 TURN-OF-NUT CONTROL . 75-82
075-4.5.2.1 The Basis of Turn Requirements . 75-82
075-4.5.2.2 Units of Measurement 75-83
075-4.5.2.3 Initial Snugging 75-83
075-4.5.2.4 Where to Make the Measurements . 75-84
075-4.5.2.5 Turning the Nut 75-84
075-4.5.3 STRETCH CONTROL . 75-84
075-4.5.3.1 Determining Stretch Requirements . 75-84
075-4.5.3.2 Measuring the Stretch . 75-84
075-4.5.4 ULTRASONIC STRETCH OR STRESS CONTROL 75-85
075-4.5.5 HYDRAULIC TENSIONING AND HEATING . 75-85
075-4.6 THREAD LUBRICANTS . 75-85
075-4.6.1 GENERAL . 75-85
075-4.6.2 THREAD LUBRICANT APPLICATION . 75-85

SECTION 5. THREADED FASTENER LOCKING . 75-91
075-5.1 GENERAL . 75-91
075-5.1.1 THREADED FASTENER LOOSENING . 75-91
075-5.1.2 VIBRATION 75-91
075-5.1.3 LOAD CYCLING . 75-91
075-5.2 PRELOAD METHOD . 75-91
075-5.3 PREVAILING TORQUE (SELF-LOCKING NUT) METHOD . 75-92
075-5.3.1 GENERAL . 75-92
075-5.3.2 REUSABLE SELF-LOCKING FASTENERS 75-92
075-5.3.2.1 Plastic Ring and Insert Fasteners 75-92
075-5.3.2.2 Reusable Metal (Spring Beam) Self-Locking Nuts . 75-94
075-5.3.3 NONREUSABLE SELF-LOCKING FASTENERS . 75-95
075-5.3.3.1 Distorted Collar Nuts . 75-95
075-5.3.3.2 Distorted Thread Nuts 75-96
075-5.3.4 JAM NUTS (LOCK NUTS) 75-96
075-5.3.4.1 Jam Nut Assembly 75-96
075-5.3.4.2 Tightening the Jam Nut 75-96
075-5.3.5 SETSCREWS 75-96
075-5.4 MECHANICAL METHOD 75-97
075-5.4.1 GENERAL . 75-97
075-5.4.2 PINS . 75-98
075-5.4.2.1 Cotter Pins . 75-98
075-5.4.2.2 Driven Pins 75-99
075-5.4.2.3 Use of Hardened Drive Pins . 75-99
075-5.4.2.4 Installing Straight Pins 75-100
075-5.4.2.5 Installing Taper Pins . 75-100
075-5.4.2.6 Aligning Holes for Pins . 75-100
075-5.4.2.7 Substitutions for Pin-Type Locking Devices 75-100
075-5.4.3 TAB LOCKS 75-100
075-5.4.3.1 Installing Tab Locks . 75-101
075-5.4.3.2 Tab Bend Radius . 75-101
075-5.4.4 STAKING AND PEENING 75-101
075-5.4.4.1 Staking . 75-101
075-5.4.4.2 Peening 75-101
075-5.5 SAFETY WIRE METHOD 75-101
075-5.5.1 GENERAL . 75-101
075-5.5.2 REWIRING . 75-102
075-5.5.3 TIGHTENING SAFETY WIRED FASTENERS . 75-102
075-5.5.4 WIRE INSTALLATION 75-102
075-5.6 LOCKWASHER METHOD 75-102
075-5.6.1 GENERAL . 75-102
075-5.6.2 HELICAL SPRING LOCKWASHERS 75-102
075-5.6.3 CURVED OR CONICAL SPRING LOCKWASHERS . 75-102
075-5.6.4 TOOTHED LOCKWASHERS . 75-103
075-5.6.4.1 Internal Tooth Lockwashers . 75-103
075-5.6.4.2 External Tooth Lockwashers . 75-103
075-5.6.4.3 Internal-External Tooth Lockwashers 75-105
075-5.6.5 PART NUMBERS . 75-105
075-5.7 CHEMICAL METHOD 75-105
075-5.7.1 GENERAL . 75-105
075-5.7.2 ANAEROBIC THREADLOCKING COMPOUND . 75-106
075-5.7.2.1 Material Compatibility 75-106
075-5.7.2.2 Cleaning and Surface Activation Requirements . 75-106
075-5.7.2.3 Anaerobic Compound Cure Time 75-107
075-5.7.2.4 Fastener Material Curing Characteristics 75-107
075-5.7.2.5 Primers (Activators) . 75-107
075-5.7.2.6 Assembly Time Requirements 75-107
075-5.7.2.7 Using Heat to Cure 75-107
075-5.7.2.8 Tightening Chemically Locked Fasteners 75-107
075-5.7.2.9 Tightening of Studs Set with Chemicals 75-109
075-5.7.2.10 Threadlocking Compound Selection . 75-109

SECTION 6. THREADED FASTENER REMOVAL . 75-112
075-6.1 GENERAL . 75-112
075-6.1.1 CONTROL . 75-112
075-6.1.2 LEFT-HAND THREADS . 75-112
075-6.1.3 AVOIDING PROBLEMS . 75-113
075-6.1.3.1 Plan Your Job . 75-113
075-6.1.3.2 Think Safety 75-113
075-6.1.3.3 Stubborn or Damaged Fasteners . 75-113
075-6.1.4 NORMAL REMOVAL . 75-113
075-6.1.5 REMOVAL OF CHEMICALLY LOCKED FASTENERS . 75-114
075-6.1.5.1 Using Torque to Loosen . 75-114
075-6.1.5.2 Using Heat and Torque to Loosen 75-114
075-6.1.5.3 Using Chemicals and Torque to Loosen . 75-114
075-6.1.5.4 Nonanaerobic Locking Compounds . 75-114

SECTION 7. INSTALLATION OF THREADED FASTENERS 75-114
075-7.1 GENERAL . 75-114
075-7.2 FASTENER SELECTION PROCEDURE 75-115
075-7.3 FIVE BASIC SITUATIONS 75-115
075-7.3.1 GENERAL . 75-115
075-7.3.2 NEW EQUIPMENT 75-115
075-7.3.3 DAMAGED FASTENERS . 75-116
075-7.3.4 UNREPAIRABLE FASTENERS . 75-116
075-7.3.5 UNIDENTIFIABLE FASTENERS 75-116
075-7.3.6 USE OF TEMPORARY FASTENERS 75-116
075-7.4 SELECTION OF PROPER THREADED FASTENER SYSTEMS 75-116
075-7.4.1 THREADED FASTENER SYSTEM . 75-116
075-7.4.2 TECHNICAL MANUALS AND SYSTEM DRAWINGS 75-117

CHEMICAL METHOD 75-105
5.7.1 GENERAL . 75-105
5.7.2 ANAEROBIC THREADLOCKING COMPOUND . 75-106
075-5.7.2.1 Material Compatibility 75-106
075-5.7.2.2 Cleaning and Surface Activation Requirements . 75-106
075-5.7.2.3 Anaerobic Compound Cure Time 75-107
075-5.7.2.4 Fastener Material Curing Characteristics 75-107
075-5.7.2.5 Primers (Activators) . 75-107
075-5.7.2.6 Assembly Time Requirements 75-107
075-5.7.2.7 Using Heat to Cure 75-107
075-5.7.2.8 Tightening Chemically Locked Fasteners 75-107
075-5.7.2.9 Tightening of Studs Set with Chemicals 75-109
075-5.7.2.10 Threadlocking Compound Selection . 75-109

THREADED FASTENER REMOVAL . 75-112
GENERAL . 75-112
6.1.1 CONTROL . 75-112
6.1.2 LEFT-HAND THREADS . 75-112
6.1.3 AVOIDING PROBLEMS . 75-113
075-6.1.3.1 Plan Your Job . 75-113
075-6.1.3.2 Think Safety 75-113
075-6.1.3.3 Stubborn or Damaged Fasteners . 75-113
6.1.4 NORMAL REMOVAL . 75-113
6.1.5 REMOVAL OF CHEMICALLY LOCKED FASTENERS . 75-114
075-6.1.5.1 Using Torque to Loosen . 75-114
075-6.1.5.2 Using Heat and Torque to Loosen 75-114
075-6.1.5.3 Using Chemicals and Torque to Loosen . 75-114
075-6.1.5.4 Nonanaerobic Locking Compounds . 75-114
INSTALLATION OF THREADED FASTENERS 75-114
GENERAL . 75-114
FASTENER SELECTION PROCEDURE 75-115
FIVE BASIC SITUATIONS 75-115

7.3.1 GENERAL . 75-115
7.3.2 NEW EQUIPMENT 75-115
7.3.3 DAMAGED FASTENERS . 75-116
7.3.4 UNREPAIRABLE FASTENERS . 75-116
7.3.5 UNIDENTIFIABLE FASTENERS 75-116
7.3.6 USE OF TEMPORARY FASTENERS 75-116
SELECTION OF PROPER THREADED FASTENER SYSTEMS 75-116
7.4.1 THREADED FASTENER SYSTEM . 75-116
7.4.2 TECHNICAL MANUALS AND SYSTEM DRAWINGS 75-117
075-7.4.3 UNAVAILABILITY OF TECHNICAL MANUALS . 75-117
075-7.5 LENGTH OF THREAD PROTRUSION . 75-117
075-7.5.1 MINIMUM THREAD PROTRUSION 75-117
075-7.5.2 MAXIMUM THREAD PROTRUSION . 75-117
075-7.6 DEPTH OF ENGAGEMENT FOR STUDS AND CAPSCREWS . 75-118
075-7.6.1 DETERMINING REQUIRED DEPTH OF ENGAGEMENT 75-118
075-7.7 SQUARENESS OF SPOTFACE WITH HOLE . 75-118
075-7.7.1 FASTENER-BENDING LOADS . 75-118
075-7.7.2 EFFECT OF BEARING SURFACE ON TORQUE LOAD . 75-119
075-7.8 HEX-HEAD BOLTS AND CAPSCREWS 75-119
075-7.8.1 DIFFERENCES BETWEEN HEX-HEAD BOLTS AND CAPSCREWS . 75-119
075-7.8.2 TYPES OF BOLTS . 75-119
075-7.8.3 THROUGH BOLTS 75-119
075-7.8.4 CAPSCREWS IN THREADED HOLES . 75-120
075-7.8.4.1 Selecting Proper Screw Length . 75-120
075-7.8.4.2 Preventing Damage to Tapped Threads . 75-120
075-7.8.4.3 Cleaning the Tapped Hole 75-120
075-7.8.4.4 Use of Thread Locking, Lubricating, and Antiseize Compounds. . 75-122
075-7.9 FITTED BOLTS 75-122
075-7.9.1 WHY AND WHERE THEY ARE USED 75-122
075-7.9.2 HOLE PREPARATION 75-122
075-7.9.3 FITTED BOLT PREPARATION . 75-122
075-7.9.4 ALTERNATE FITUP PROCEDURE . 75-122
075-7.10 BOLT-STUDS . 75-122
075-7.10.1 WHY AND WHERE THEY ARE USED 75-122
075-7.10.2 TYPES OF BOLT-STUDS . 75-122
075-7.10.3 TIGHTENING . 75-124
075-7.11 STUDS . 75-124
075-7.11.1 WHY AND WHERE THEY ARE USED 75-124
075-7.11.2 TYPES OF STUDS 75-124
075-7.11.3 SETTING STUDS . 75-124
075-7.11.3.1 Class 5 Fit . 75-124
075-7.11.3.2 Nonstandard Class 5 Fit Threads 75-125
075-7.12 USE OF FLAT WASHERS 75-125
075-7.12.1 GENERAL . 75-125
075-7.12.2 WASHERS FOR EQUIPMENT SLIDING FOOT FASTENERS 75-125
075-7.13 INTERCHANGEABILITY OF NUTS 75-125
075-7.13.1 GENERAL . 75-125
075-7.13.2 STANDARDS FOR PLAIN HEXAGON NUTS WITH THE SAME PART

NUMBER FOR DOUBLE CHAMFERED AND WASHER FACED
CONFIGURATIONS 75-125
SECTION 8. THREADED FASTENER INSPECTION AND REPAIR 75-126
075-8.1 GENERAL . 75-126
075-8.2 INSPECTION OF INSTALLED THREADED FASTENERS AND JOINTS . 75-126
075-8.2.1 GENERAL INSPECTION . 75-126
075-8.2.2 RUST AND CORROSION 75-127
075-8.2.3 THREAD PROTRUSION . 75-127
075-8.2.4 TAB WASHERS 75-127
075-8.2.5 CHECKING PRELOAD 75-127
075-8.3 VISUAL EXAMINATION OF FASTENERS PRIOR TO INSTALLATION . 75-128
075-8.3.1 INSPECTING FOR PROPER APPLICATION TYPE 75-128
075-8.3.2 HEAD DAMAGE . 75-128
075-8.3.3 RUST OR CORROSION DAMAGE . 75-128
075-8.3.4 OVERTIGHTENED (YIELDED) FASTENERS . 75-128
075-8.3.5 THREAD FLATTENING . 75-128
075-8.3.6 SELF-LOCKING ELEMENTS 75-128
075-8.4 ADDITIONAL EXAMINATIONS 75-128
075-8.4.1 GALLING 75-128
075-8.4.2 CHECKING SELF-LOCKING NUTS 75-128
075-8.5 THREAD REPAIR . 75-129
075-8.5.1 GENERAL . 75-129
075-8.5.2 THREAD REWORK 75-129
075-8.5.3 THREAD FILING . 75-129
075-8.5.4 THREAD LAPPING 75-129
075-8.6 REWORKING OF THREADED FASTENER JOINTS . 75-129
075-8.6.1 FASTENER REMOVAL 75-129
075-8.6.2 SUBMARINE FASTENER APPLICATIONS 75-129
075-8.6.3 REWORK/REPLACEMENT OF CLASS 5 INTERFERENCE FIT THREADS 75-130
075-8.6.3.1 Replacements Using Anaerobic Compounds 75-130
075-8.6.3.2 Replacement Interference Fit Studs . 75-130
075-8.6.4 REMOVAL AND REUSE OF ASSEMBLED STUDS . 75-131
075-8.6.5 STEPPED STUDS . 75-131

SECTION 9. REMOVING DAMAGED OR STUBBORN THREADED FASTENERS . 75-131
075-9.1 GENERAL . 75-131
075-9.2 PREVENTING PROBLEMS . 75-132
075-9.3 NORMAL REMOVAL 75-132
075-9.4 ROUNDED-OFF NUT AND HEAD CORNERS 75-132
075-9.4.1 GENERAL . 75-132
075-9.4.2 NUTS INSTALLED ON THROUGH BOLTS AND BOLT-STUDS 75-132
075-9.4.3 NUTS ON STUDS . 75-132
075-9.4.4 CAPSCREWS . 75-133
075-9.5 SEIZED THREADS 75-133
075-9.6 BROKEN STUDS AND CAPSCREWS . 75-134
075-9.6.1 GENERAL . 75-134
075-9.6.2 NONLOCKED STUDS 75-134
075-9.6.2.1 Drilling an Axial Hole in a Stud . 75-134
075-9.6.2.2 Using Ezy-outs 75-134
075-9.6.2.3 Drilling Out the Stud . 75-135
075-9.6.2.4 Using EDM Equipment 75-136
075-9.6.2.5 Power Driven Broken Bolt Extractor (NSN 5130-01-387-7451) 75-136
075-9.6.3 CLASS 5 FIT AND LOCKED STUDS 75-136

Pipe Size Schedule Chart ,
Inch Metric Drill Bit Size Chart Drill Bit Size Chart,
Screw Thread Size Chart ,
Sheet Metal Gauge Size Chart ,
Dowel Pins, Machined Size Chart ANSI ASME ,
ANSI Hardware Design Guide ,
Metric Hardware Specification Charts and Tables Metric bolts, Metric washers, Metric screws.
ISO Metric Wrench Size Table Chart Metric wrench size for Metric Hex Head Bolts.
Clevis Pin Size Chart ANSI Clevis Pin Size Chart Table
Cone Head Rivet Size Chart ASME B18.1.1 Cone Head Rivet
Cotter Pin ANSI B18.8.1 Cotter Pins Size Chart per ANSI B18.8.1
Dowel Pins, Machined Size Chart ANSI ASME Machine Dowel Pins Chart per. ANSI B18.8.2
Heavy Nut Heavy Hex Nut dimensions per ASME B18.2.2
Heavy Slotted Nut Heavy Slotted Nut Size Data Chart Per. ASME 18.2.2
Hex Bolt Identification Table Hex Bolt Identification, Markings and Strength Chart
Hex Jam Nut ASME B18.2.2 Hex Nut and Jam Nut dimensions per ASME B18.2.2
Hex Screw Head Sizes Table Hex Screw Head Sizes for Height and Head Hex.
Internal and External Thread Classes Three classes of external (1A, 2A, and 3A) and internal threads (1B, 2B, and 3B)
Length of Screw Thread Engagement per. ISO 965-1 Calculator , Formula and Table Length of engagement of mating threads is selected to utilize full tensile strength of a bolt prior to shearing and nut threads.

Reference:

NAVSEA Technical Manual US Navy