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 5895-00-381-9712
NSN 6105-01-230-5012
NSN 5999-01-250-2623
NSN 5915-01-139-5441
NSN 5855-00-361-0167
NSN 6320-01-165-8932
NSN 6150-01-563-9247
NSN 5935-01-137-2361
NSN 5905-01-116-0847
NSN 5895-01-104-4300
NSN 5975-01-530-3318
NSN 6685-00-177-6491