A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6135-00-553-7995
NSN 6145-00-140-1605
NSN 5996-01-482-7596
NSN 5965-00-665-2156
NSN 5910-00-162-8763
NSN 6145-01-446-2697
NSN 7035-00-096-9986
NSN 5985-00-768-4368
NSN 6130-00-260-1791
NSN 5985-01-591-4487
NSN 6150-01-257-3825
NSN 6685-00-575-4647