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 6130-01-126-4603
NSN 5905-00-715-4007
NSN 5895-01-642-1925
NSN 5985-00-059-8252
NSN 6685-00-890-8410
NSN 5930-01-013-0663
NSN 6130-01-606-6619
NSN 5930-00-233-5302
NSN 5915-00-190-6940
NSN 6105-01-543-2620
NSN 6240-01-118-2561
NSN 6685-01-502-7648