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 6130-01-139-7401
NSN 6610-01-382-1936
NSN 6150-01-553-0998
NSN 5920-01-599-4432
NSN 6135-00-470-7779
NSN 5960-00-593-5603
NSN 5965-01-270-1039
NSN 6650-01-599-9849
NSN 6685-00-235-7248
NSN 6130-01-477-0052
NSN 5930-00-218-1031
NSN 6135-01-113-1507