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 6620-01-233-4505
NSN 5930-00-070-4337
NSN 2925-01-501-1104
NSN 5855-01-082-7308
NSN 5998-01-597-1067
NSN 5999-01-523-9328
NSN 6110-00-766-0886
NSN 5935-00-228-2754
NSN 6105-01-506-2062
NSN 5996-00-618-5920
NSN 6105-01-652-5222
NSN 4140-00-360-2457