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 5925-01-028-9336
NSN 6110-01-476-2242
NSN 6320-01-050-1290
NSN 6610-01-539-9084
NSN 6220-01-337-1639
NSN 5945-01-412-4763
NSN 5930-01-129-5224
NSN 6610-00-437-5681
NSN 7035-01-344-8708
NSN 6320-01-052-2118
NSN 6685-00-127-9626
NSN 6220-00-521-7103