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 6130-01-260-1917
NSN 6610-00-597-3095
NSN 6240-01-400-2935
NSN 5915-01-350-2407
NSN 6650-00-005-8572
NSN 7035-01-027-2582
NSN 5855-01-426-5589
NSN 5975-00-402-8499
NSN 5835-00-834-1286
NSN 6220-01-495-6024
NSN 5905-01-648-1888
NSN 5950-01-487-8657