Thd is a class 3 fit
An internally threaded nut which has an internal seat or shoulder designed to engage the nut retaining flange of a union tailpiece. The threaded portion is used to engage the thread piece of a union, union elbor or the like. Excludes nut (1), tube coupling.
Classification: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 2925-01-424-0235
NSN 6610-01-010-4516
NSN 2925-01-123-5856
NSN 6650-01-265-2672
NSN 5930-01-003-8775
NSN 6145-00-192-3094
NSN 5985-01-136-3472
NSN 6650-01-055-6168
NSN 4140-00-078-9357
NSN 5855-01-448-9794
NSN 5985-01-200-7254
NSN 5975-01-411-6597