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 5835-01-060-8123
NSN 5985-01-303-2107
NSN 6320-01-371-3047
NSN 6240-01-018-4895
NSN 5999-01-578-7948
NSN 5945-01-088-9048
NSN 6145-00-768-8976
NSN 6685-00-245-7722
NSN 5996-01-552-0480
NSN 5996-01-081-6809
NSN 5990-01-440-7135
NSN 6145-00-252-8969