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 6620-01-288-8249
NSN 5835-01-296-3790
NSN 6685-00-169-6505
NSN 6685-01-560-6998
NSN 5999-01-244-4085
NSN 5905-00-660-7580
NSN 5930-01-417-7307
NSN 6105-01-188-8800
NSN 6105-01-070-3911
NSN 6135-01-205-5965
NSN 6135-00-628-1142
NSN 5920-01-480-3697