A hexagonal nut containing internal tapered pipe threads. It has raised undetachable sealing member on the face of the bearing surface. The item, when installed, provides a method of sealing the connection at the boss or mating surface. It does not provide any method for locking at the connection. See locknut, pipe.
NSN 5855-01-462-8143
NSN 5985-01-603-4604
NSN 4140-01-444-4190
NSN 6650-00-161-4122
NSN 6150-00-944-3545
NSN 6130-01-349-0564
NSN 6150-01-625-3104
NSN 6645-01-633-0303
NSN 6110-00-518-2998
NSN 6220-01-386-1582
NSN 5950-01-026-7223
NSN 5999-01-495-1344