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 6320-01-170-4068
NSN 5905-00-030-2002
NSN 6610-01-114-2013
NSN 2925-01-327-3069
NSN 6135-01-014-9755
NSN 6110-01-511-0201
NSN 5930-01-400-6126
NSN 5990-00-925-6614
NSN 6620-01-420-8666
NSN 6220-00-751-9709
NSN 7035-00-973-9215
NSN 6320-01-054-3046