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 5990-01-517-7848
NSN 6220-00-067-7645
NSN 6105-01-273-0212
NSN 5835-00-170-5238
NSN 6145-01-348-7234
NSN 6135-01-084-1609
NSN 5950-00-410-1271
NSN 6105-01-411-2288
NSN 4140-01-426-2109
NSN 5925-00-926-0863
NSN 5915-01-355-0391
NSN 6645-01-629-9657