Fleet ballistic missile quality, as identified by quality control no. Poso 909170
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 6650-00-796-9972
NSN 6645-01-093-5015
NSN 5835-00-339-3020
NSN 6645-01-248-3123
NSN 6650-00-182-7791
NSN 6145-01-567-3081
NSN 5920-00-384-8926
NSN 5960-00-189-6517
NSN 5996-01-633-7979
NSN 5930-01-243-5929
NSN 5990-01-392-5682
NSN 6650-01-317-2101