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 5975-01-378-7099
NSN 2925-00-833-9466
NSN 5930-01-207-3451
NSN 5999-01-444-4577
NSN 5835-01-160-7282
NSN 6645-00-731-8171
NSN 6145-01-465-3054
NSN 5945-01-391-1041
NSN 5998-00-008-1595
NSN 5935-00-757-3021
NSN 6135-00-461-3590
NSN 5998-00-257-6018