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 5910-01-371-2553
NSN 6240-01-433-3212
NSN 6620-01-623-7266
NSN 6220-00-167-5441
NSN 5950-01-303-2106
NSN 5998-01-204-2500
NSN 5935-01-500-9732
NSN 6105-00-186-0161
NSN 5905-00-880-4828
NSN 7035-00-470-4977
NSN 6685-01-014-5983
NSN 2925-01-203-0493