An externally threaded fastening device which has an internal or external seat, designed to mate with the seat of an internally threaded tube fitting for the purpose of securing the tube to the fitting to form a leakproof connection.
NSN 5930-01-242-9431
NSN 5960-00-440-0336
NSN 5960-00-986-5060
NSN 5910-00-246-9383
NSN 5835-01-291-5405
NSN 6645-01-028-2186
NSN 5985-00-225-3525
NSN 5975-01-152-9353
NSN 5990-01-211-6136
NSN 5945-01-503-0423
NSN 5855-00-198-3197
NSN 4140-01-415-1187