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 6240-00-286-0742
NSN 5975-01-004-7966
NSN 6135-01-503-1688
NSN 5945-00-104-5729
NSN 6685-00-282-8925
NSN 2925-01-154-2949
NSN 5965-01-606-1784
NSN 5895-01-372-9255
NSN 5905-01-408-4470
NSN 6650-00-945-3098
NSN 6240-01-459-4709
NSN 6135-01-096-1452