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 5999-01-131-2718
NSN 5975-00-419-3256
NSN 6645-01-025-1002
NSN 6240-00-075-0445
NSN 5915-00-464-9106
NSN 6650-01-441-7790
NSN 6650-00-166-7160
NSN 5855-01-359-8592
NSN 5985-01-491-8019
NSN 5950-01-486-8210
NSN 6620-01-043-6424
NSN 6220-01-476-9371