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 6685-01-027-7061
NSN 6610-00-509-0887
NSN 5996-01-088-8715
NSN 5925-01-420-6317
NSN 6130-01-497-7106
NSN 5945-01-376-9477
NSN 5905-01-051-6695
NSN 5960-01-023-8037
NSN 5960-01-449-1310
NSN 6135-00-112-8637
NSN 6130-01-213-0196
NSN 7035-00-131-8219