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 5999-01-306-8873
NSN 5920-01-231-3615
NSN 5999-01-418-1538
NSN 5835-01-223-5084
NSN 5915-00-006-3205
NSN 5920-01-415-2178
NSN 6320-00-160-0899
NSN 6650-01-193-3068
NSN 6130-00-145-1406
NSN 5920-01-476-9042
NSN 5855-01-144-2939
NSN 5950-00-978-2620