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 5950-00-513-9596
NSN 5998-01-146-4062
NSN 6650-01-467-2355
NSN 6135-01-167-7604
NSN 5998-01-540-0922
NSN 5960-01-462-1864
NSN 6220-01-136-5402
NSN 5965-00-903-0845
NSN 5910-00-556-6209
NSN 5905-00-276-8597
NSN 6220-01-634-0660
NSN 6685-01-107-4571