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 5905-01-188-6131
NSN 6240-00-778-5779
NSN 7035-01-617-1507
NSN 6110-00-407-3013
NSN 6620-01-108-9181
NSN 6320-01-252-2307
NSN 5990-00-948-1469
NSN 5895-00-049-8422
NSN 6650-00-542-9042
NSN 5975-01-607-0435
NSN 5990-00-816-9289
NSN 6110-01-105-2971