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 5990-01-145-8961
NSN 5965-00-153-5216
NSN 5950-00-133-5287
NSN 6145-00-155-5297
NSN 5855-00-361-0167
NSN 5835-01-291-5405
NSN 6150-00-549-2427
NSN 5930-01-084-9116
NSN 6650-00-879-5834
NSN 5915-00-843-7136
NSN 6130-01-252-2068
NSN 5965-01-464-9885