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 4140-00-069-0700
NSN 6685-01-592-4901
NSN 5835-01-536-6241
NSN 5920-00-960-3567
NSN 4140-01-076-6124
NSN 5985-01-361-8982
NSN 6105-01-138-4319
NSN 5975-01-024-8486
NSN 5996-01-155-6404
NSN 5855-00-281-3843
NSN 5855-00-832-9341
NSN 5930-00-027-7898