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 5999-00-197-8792
NSN 5965-00-023-0944
NSN 6650-01-328-8363
NSN 6620-00-469-4571
NSN 5855-00-916-2236
NSN 5975-01-643-8888
NSN 6320-01-406-6098
NSN 5985-01-148-1879
NSN 5975-01-287-4990
NSN 5998-01-046-6738
NSN 5996-00-451-6096
NSN 5999-01-584-1634