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 5930-01-503-0679
NSN 6645-01-421-2445
NSN 5895-01-121-4435
NSN 5950-01-658-4487
NSN 5998-01-490-7770
NSN 7035-01-231-2450
NSN 6685-01-040-2238
NSN 5960-00-826-7697
NSN 6220-00-874-7048
NSN 5915-01-374-4564
NSN 6150-00-278-7070
NSN 6130-01-594-7668