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 5999-01-121-8364
NSN 4140-01-273-0196
NSN 5925-00-006-1305
NSN 5999-01-279-4443
NSN 5915-01-313-5149
NSN 5895-00-408-9007
NSN 6320-00-270-8222
NSN 6240-00-241-2288
NSN 6685-00-365-5572
NSN 5999-01-098-6097
NSN 6610-01-255-4544
NSN 7035-01-027-8569