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 6130-01-598-1228
NSN 5925-01-555-8524
NSN 5905-01-541-7636
NSN 2925-01-384-4139
NSN 5996-01-181-2697
NSN 5935-00-201-8926
NSN 6645-01-630-8891
NSN 4140-01-163-6010
NSN 6145-01-023-1526
NSN 6685-01-069-6865
NSN 6610-01-033-2402
NSN 5915-01-652-5881