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 6620-01-421-6949
NSN 5895-01-554-9667
NSN 6150-01-020-6683
NSN 5950-01-543-2501
NSN 4140-00-810-9330
NSN 5985-00-255-9180
NSN 5999-01-533-9331
NSN 6150-00-901-1430
NSN 6650-00-826-7396
NSN 6320-01-189-6891
NSN 5950-01-190-5322
NSN 6685-01-076-2412