A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 6650-00-466-1697
NSN 6685-00-517-7132
NSN 6110-01-262-2353
NSN 6685-01-656-6544
NSN 6130-00-852-0689
NSN 2925-01-219-9471
NSN 6135-01-312-1040
NSN 5998-00-876-9572
NSN 6105-01-586-0341
NSN 6240-01-648-6370
NSN 6220-01-225-4543
NSN 5915-01-276-1164