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 5910-01-337-2456
NSN 5999-01-309-6792
NSN 6240-01-461-3129
NSN 6145-01-113-3012
NSN 6150-01-641-2931
NSN 2925-01-311-7840
NSN 6685-01-421-3611
NSN 6105-01-446-7245
NSN 6220-01-470-4166
NSN 5985-01-106-4628
NSN 5915-01-604-9404
NSN 5985-01-200-1020