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 5935-00-902-0621
NSN 5920-01-426-8517
NSN 6240-00-929-5851
NSN 6240-01-358-8857
NSN 5985-01-448-2248
NSN 6105-00-582-6517
NSN 2925-00-085-7332
NSN 6685-01-337-5657
NSN 5855-01-494-8838
NSN 6645-01-572-0395
NSN 5930-01-475-7893
NSN 5895-00-279-1485