Standard Hose Coupling Thread Lengths
All Units in Inches
Thread Designation
Nominal Hose Size
Threads per. Inch
ID Nipple, C
Approx. O.D. Ext. Thrd.
Length of Nipple L
Length of Pilot, I
Depth of Coupling, H
Coupl. Thd. Length, T
Approx. No. Thrds Length, T