A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 5915-01-173-2904
NSN 5985-01-559-2646
NSN 5998-01-090-6290
NSN 5990-01-455-8035
NSN 5920-00-413-3341
NSN 6650-01-601-2494
NSN 5985-01-107-5304
NSN 5910-01-420-0965
NSN 5985-01-652-1544
NSN 5920-01-005-1755
NSN 5975-01-344-2409
NSN 5999-00-433-0450