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 5965-00-161-0094
NSN 6610-01-530-1313
NSN 6150-01-094-4781
NSN 6650-01-562-1413
NSN 6320-01-335-8336
NSN 5975-01-340-1388
NSN 6145-00-337-3188
NSN 5975-01-634-0678
NSN 6645-00-947-0625
NSN 5990-01-501-9094
NSN 5975-01-323-4645
NSN 5910-01-453-5207