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 6135-01-505-1293
NSN 6135-01-164-3561
NSN 6685-00-146-2308
NSN 6240-01-206-4760
NSN 6645-01-563-4402
NSN 5905-01-572-2379
NSN 6645-01-268-7265
NSN 5950-00-911-2771
NSN 5925-01-425-2679
NSN 6145-01-488-1256
NSN 5925-01-472-7344
NSN 5990-00-923-4316