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 4140-00-497-2216
NSN 6620-00-596-1951
NSN 6685-01-238-6911
NSN 6145-00-705-6679
NSN 5910-01-333-1196
NSN 5999-01-066-2009
NSN 5990-00-327-4006
NSN 5985-01-300-9703
NSN 6150-00-877-3954
NSN 5925-01-461-2756
NSN 6240-00-227-0135
NSN 4140-00-185-2993