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 4140-01-579-1955
NSN 4140-01-168-0158
NSN 6610-01-076-2437
NSN 6620-00-420-8455
NSN 6110-00-196-8813
NSN 5998-01-571-7615
NSN 2925-01-094-4771
NSN 4140-00-295-0787
NSN 6685-01-172-9381
NSN 6240-00-248-6517
NSN 6220-01-502-8521
NSN 6240-01-249-7259