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 5935-01-568-5740
NSN 6240-01-365-7358
NSN 6645-01-470-2951
NSN 6105-01-368-3283
NSN 6150-01-421-9351
NSN 6610-01-381-0652
NSN 5990-00-623-8127
NSN 7035-01-484-8037
NSN 5960-01-580-6360
NSN 6110-01-548-6856
NSN 5910-01-091-7945
NSN 6620-01-494-0345