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 6150-00-441-6892
NSN 6145-01-062-6917
NSN 6220-01-164-7654
NSN 2925-00-553-8799
NSN 6620-01-471-4360
NSN 5945-01-583-7340
NSN 5905-01-601-8629
NSN 5910-01-349-3058
NSN 6240-01-296-8997
NSN 5996-01-623-5380
NSN 6645-00-130-8464
NSN 4140-01-198-5652