End item: fire supression system (plc-300)item has a nut, lockwasher gasket and used on 1/2 inch pipe
No other part numbers with same form, fit, and function found.
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 5935-01-393-2673
NSN 6645-00-068-3536
NSN 6650-01-007-4744
NSN 5960-01-281-1326
NSN 6320-01-399-6177
NSN 5999-01-263-2899
NSN 5998-01-474-6887
NSN 5998-01-211-6353
NSN 6150-00-473-3761
NSN 5920-01-005-4980
NSN 5905-00-233-0392
NSN 6130-01-233-1616