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 6130-01-503-2421
NSN 5905-01-423-1013
NSN 6110-01-613-2722
NSN 5975-00-225-8722
NSN 5920-01-191-9847
NSN 5950-01-081-8147
NSN 6240-01-246-8213
NSN 5965-01-032-9146
NSN 6650-00-610-3956
NSN 5990-00-031-3586
NSN 4140-01-201-7960
NSN 5950-00-698-0226