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 6110-00-831-3727
NSN 5910-00-351-6195
NSN 6685-00-585-9346
NSN 6650-01-392-4913
NSN 2925-01-125-9169
NSN 5910-00-543-9001
NSN 5935-01-559-0232
NSN 5930-00-287-8911
NSN 6610-01-035-1252
NSN 2925-01-052-0636
NSN 6135-01-546-4588
NSN 5895-01-368-2271