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 6320-01-006-6138
NSN 7035-01-408-8698
NSN 6240-00-267-2860
NSN 5945-01-460-6858
NSN 5925-01-010-2925
NSN 4140-01-487-7179
NSN 2925-01-440-9912
NSN 5835-01-193-6192
NSN 6130-01-011-4401
NSN 5996-00-806-9287
NSN 2925-00-928-5931
NSN 5915-01-522-5577