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 6685-01-456-4672
NSN 7035-00-497-8784
NSN 6320-01-415-0953
NSN 6145-00-005-1018
NSN 5985-00-972-3857
NSN 5985-01-281-3801
NSN 5905-01-443-2407
NSN 6150-01-468-4549
NSN 6130-01-107-7557
NSN 5975-01-630-7079
NSN 6220-01-257-1075
NSN 5990-01-487-0871