An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also locknut, pipe; nut (1), tube coupling and nut (1), plain, hexagon.
Classification: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 6145-01-537-5685
NSN 4140-00-513-1089
NSN 5935-01-557-9064
NSN 6105-00-364-3669
NSN 4140-01-190-6460
NSN 7035-01-158-7673
NSN 6320-00-456-2092
NSN 5998-01-410-6974
NSN 5915-01-379-5530
NSN 5985-00-279-4046
NSN 5998-01-582-3349
NSN 5998-01-184-9343