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 5960-01-462-7704
NSN 5950-01-288-0564
NSN 5990-01-269-2111
NSN 5905-01-113-7780
NSN 2925-01-429-2235
NSN 5895-01-460-5010
NSN 5998-01-109-7787
NSN 5975-01-215-1205
NSN 5910-01-424-0225
NSN 5905-00-795-8357
NSN 5990-01-078-1294
NSN 6135-00-191-6444