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 5915-01-158-8891
NSN 6645-00-715-1531
NSN 5996-01-592-3011
NSN 5975-01-474-8441
NSN 5905-01-541-7636
NSN 5960-01-388-4951
NSN 5920-00-189-0858
NSN 6645-00-914-2820
NSN 5950-01-254-2699
NSN 5920-00-110-5477
NSN 5930-00-793-0209
NSN 7035-00-320-5644