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 5998-01-401-5396
NSN 6650-00-234-3275
NSN 5960-01-408-6290
NSN 6645-00-171-9639
NSN 6650-00-349-8732
NSN 5925-00-785-6260
NSN 5915-01-417-2058
NSN 5835-01-273-8732
NSN 7035-01-578-6909
NSN 5990-01-133-0351
NSN 6130-00-145-8908
NSN 6685-00-137-7707