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 5985-00-271-9502
NSN 6150-00-736-6090
NSN 5960-01-487-4791
NSN 5835-01-397-2865
NSN 7035-01-169-1166
NSN 6685-01-028-2208
NSN 5999-01-074-4841
NSN 5965-01-147-5289
NSN 5975-01-411-5382
NSN 2925-01-138-8104
NSN 2925-00-338-4667
NSN 2925-01-116-6838