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 5935-00-498-5682
NSN 5910-01-633-9963
NSN 5855-00-446-5921
NSN 6320-01-029-4220
NSN 6610-01-077-6783
NSN 6150-01-464-4008
NSN 4140-01-224-5417
NSN 5930-01-407-2196
NSN 6685-01-434-4374
NSN 5975-01-034-3791
NSN 6610-01-605-2451
NSN 7035-01-158-7673