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 5925-00-928-2621
NSN 5930-01-353-6712
NSN 4140-00-269-5795
NSN 6320-00-284-1524
NSN 6610-01-464-3037
NSN 6130-01-352-5644
NSN 7035-01-106-3476
NSN 5930-00-486-7507
NSN 6685-01-146-8007
NSN 5996-01-334-7837
NSN 6320-01-294-7161
NSN 5975-01-655-8672