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 5905-00-421-4393
NSN 5895-01-068-4545
NSN 6110-01-380-3047
NSN 5915-01-293-0070
NSN 6135-01-222-0703
NSN 7035-01-403-2841
NSN 5920-01-305-6181
NSN 5950-01-029-4169
NSN 5910-01-306-5250
NSN 6220-00-512-0592
NSN 5990-00-915-4531
NSN 5910-01-322-9407