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 6610-01-227-1692
NSN 6135-00-782-0930
NSN 6620-01-026-0346
NSN 4140-00-914-5767
NSN 6130-00-019-8996
NSN 5920-00-571-7037
NSN 5945-01-632-6960
NSN 5855-00-197-6387
NSN 6650-01-352-2979
NSN 5835-01-408-7576
NSN 5996-01-070-1951
NSN 5920-01-652-7136