Used on grumman a10 aircraft
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.
NSN 6150-01-022-4437
NSN 6110-01-176-3846
NSN 5835-00-546-4898
NSN 4140-01-428-7318
NSN 6650-01-366-4663
NSN 5935-01-660-8238
NSN 6240-00-889-8442
NSN 6620-01-091-3722
NSN 5855-00-058-1293
NSN 2925-00-026-0005
NSN 5945-01-258-5042
NSN 6135-01-466-0192