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 5945-01-142-2182
NSN 5920-00-291-1379
NSN 5990-00-328-4490
NSN 6320-00-831-2227
NSN 6320-01-643-0850
NSN 6610-01-633-8931
NSN 5999-01-411-5135
NSN 5930-01-168-1355
NSN 5960-01-377-1907
NSN 5960-01-457-7432
NSN 5996-01-264-8463
NSN 5950-01-316-8341