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 5975-01-634-0678
NSN 5910-01-185-7182
NSN 6240-01-121-8116
NSN 5835-01-442-6482
NSN 6135-00-057-2005
NSN 6220-00-528-7752
NSN 7035-01-287-9817
NSN 6145-01-450-4987
NSN 6145-01-534-0390
NSN 5855-01-425-1330
NSN 5998-01-367-6359
NSN 6320-00-070-4544