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 6240-01-156-1565
NSN 5965-01-443-5490
NSN 5998-01-648-2656
NSN 6320-00-925-0558
NSN 4140-00-500-2718
NSN 6135-01-202-8113
NSN 6135-01-581-1039
NSN 5975-01-110-0818
NSN 5945-01-479-8579
NSN 5975-00-581-4598
NSN 5915-00-862-5480
NSN 5930-00-725-2889