A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 6145-00-952-2872
NSN 4140-00-241-0065
NSN 6220-00-109-6672
NSN 6240-01-513-9642
NSN 5960-01-219-5504
NSN 7035-01-372-5006
NSN 5905-01-278-0636
NSN 6685-00-631-4739
NSN 5985-01-208-8704
NSN 6240-01-224-7656
NSN 4140-00-242-0902
NSN 6145-01-599-8074