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 6240-00-156-1607
NSN 6150-01-583-4316
NSN 5965-01-373-6457
NSN 5925-01-469-0075
NSN 4140-01-337-9421
NSN 5965-01-417-3211
NSN 5996-00-839-3270
NSN 5915-01-648-7354
NSN 5895-01-647-7868
NSN 5996-01-025-5683
NSN 6240-01-367-9626
NSN 5855-00-763-2155