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 5905-01-315-9507
NSN 5930-01-011-3608
NSN 5965-01-354-1677
NSN 6105-01-643-3501
NSN 5835-01-599-1876
NSN 5965-01-005-0341
NSN 6685-01-456-3717
NSN 6150-00-919-7265
NSN 5905-01-238-0395
NSN 5999-01-310-4393
NSN 5975-00-702-8253
NSN 5990-01-290-1425