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 6105-01-415-0828
NSN 6130-01-498-4932
NSN 5855-01-529-7260
NSN 6650-01-254-3690
NSN 6110-01-020-9495
NSN 5985-00-421-5782
NSN 6645-01-591-3970
NSN 5975-01-049-4517
NSN 5965-01-188-8530
NSN 5935-00-530-1473
NSN 5835-01-360-2657
NSN 5855-01-020-7982