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 4140-01-272-3173
NSN 5925-01-180-8002
NSN 6650-01-471-4048
NSN 5935-00-006-9153
NSN 5990-00-099-0822
NSN 5950-00-424-2920
NSN 5950-01-438-9010
NSN 5975-01-562-0537
NSN 6150-01-602-7267
NSN 4140-01-415-1187
NSN 5945-01-411-6180
NSN 5985-00-137-9068