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 6645-01-422-9672
NSN 5895-01-232-1164
NSN 5960-01-270-5271
NSN 6130-00-256-4293
NSN 6135-01-100-3593
NSN 5910-01-256-5508
NSN 5950-01-388-7313
NSN 2925-01-255-6394
NSN 5996-01-484-5147
NSN 5855-01-147-6024
NSN 5999-01-171-9411
NSN 6645-01-228-9645