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 5965-01-359-5501
NSN 4140-01-463-3434
NSN 7035-00-616-4410
NSN 5975-01-493-6383
NSN 5996-01-415-1028
NSN 4140-01-023-1537
NSN 5835-00-155-1379
NSN 5996-01-426-2688
NSN 5855-01-406-4821
NSN 6240-01-461-2139
NSN 5985-01-490-3027
NSN 6320-01-461-1390