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 5930-01-632-0071
NSN 5945-01-239-6757
NSN 5950-01-409-2785
NSN 6650-01-399-8552
NSN 6220-00-609-3345
NSN 5985-00-554-4599
NSN 6620-01-031-3989
NSN 5945-00-243-1652
NSN 5990-01-197-5901
NSN 5998-01-027-0855
NSN 5990-01-307-4489
NSN 5999-01-547-5532