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 5998-01-657-3807
NSN 6110-00-827-0086
NSN 5905-01-044-5606
NSN 6105-00-051-9924
NSN 5960-00-315-0358
NSN 6610-01-298-2649
NSN 7035-00-870-0290
NSN 6685-01-555-7938
NSN 5895-00-248-2050
NSN 5975-00-290-4285
NSN 4140-00-854-2718
NSN 4140-01-658-9022