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 6110-00-387-3911
NSN 6220-00-088-0580
NSN 6685-01-568-3399
NSN 5996-01-407-3777
NSN 6620-00-959-6614
NSN 5895-00-904-0204
NSN 5965-01-633-8849
NSN 5960-01-201-5804
NSN 5910-01-070-3671
NSN 6110-00-912-6575
NSN 5990-01-052-9343
NSN 6130-00-186-8460