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 6645-01-215-7247
NSN 5905-01-309-8803
NSN 6110-00-872-4027
NSN 5965-01-588-1744
NSN 6650-01-328-8363
NSN 5915-01-289-2752
NSN 5990-01-537-4815
NSN 5910-00-070-1575
NSN 6135-01-386-5709
NSN 5990-01-602-6701
NSN 5990-01-608-3505
NSN 6650-00-981-1336