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 6150-00-891-7922
NSN 5930-00-336-9130
NSN 6645-01-609-7365
NSN 5855-01-246-8273
NSN 6145-00-316-2608
NSN 5915-00-334-3008
NSN 6105-00-803-8023
NSN 6685-01-029-1971
NSN 5930-01-477-0247
NSN 5985-01-500-2258
NSN 6105-01-164-1264
NSN 5965-00-156-8562