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 5975-00-924-4985
NSN 6610-01-647-7412
NSN 5905-01-461-7995
NSN 6135-01-187-4382
NSN 5905-01-444-1245
NSN 4140-00-170-5152
NSN 6130-01-190-9526
NSN 5975-01-391-2055
NSN 6610-01-453-4269
NSN 6145-01-199-2311
NSN 5996-00-967-3647
NSN 5915-00-482-2111