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 5915-00-915-3454
NSN 5855-01-154-3871
NSN 4140-00-728-3097
NSN 5905-01-258-4607
NSN 5910-01-424-0225
NSN 5855-00-631-4565
NSN 5945-01-538-3723
NSN 6150-01-647-6195
NSN 6130-01-359-4723
NSN 6620-00-066-1284
NSN 5965-01-123-3770
NSN 5945-01-367-6090