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 5920-01-497-9528
NSN 5895-00-467-5032
NSN 6645-01-576-6733
NSN 5960-00-798-5585
NSN 5930-01-535-6715
NSN 6685-00-797-3402
NSN 5985-00-761-6048
NSN 6620-01-189-8153
NSN 5975-01-272-5033
NSN 5960-00-564-4792
NSN 6130-01-183-0457
NSN 5965-01-413-4424