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 5910-01-535-7501
NSN 5990-01-442-3520
NSN 5990-01-443-2931
NSN 5999-01-479-9402
NSN 5998-01-419-5971
NSN 6645-00-229-1521
NSN 5935-01-341-1001
NSN 4140-01-309-8893
NSN 6110-00-941-1882
NSN 5835-01-045-6371
NSN 6150-01-565-4092
NSN 5950-01-470-6607