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 6240-00-828-6228
NSN 5998-01-646-6058
NSN 6685-01-647-0250
NSN 5950-01-100-5649
NSN 6150-01-394-5915
NSN 5915-01-037-0137
NSN 4140-00-067-2590
NSN 5990-01-064-1013
NSN 6220-00-425-3346
NSN 7035-01-487-6481
NSN 6240-01-633-9357
NSN 6145-01-464-1507