End item: grumman a-10 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 6110-01-191-5737
NSN 6620-01-135-0090
NSN 5915-01-532-0722
NSN 5975-00-353-5589
NSN 6145-01-254-8502
NSN 5950-00-216-9212
NSN 5935-01-487-6660
NSN 5910-01-031-7997
NSN 5950-01-487-3750
NSN 4140-01-357-7867
NSN 7035-00-286-6221
NSN 5935-01-206-4727