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 5960-01-307-2674
NSN 6620-01-568-9203
NSN 5905-00-538-0469
NSN 6650-01-503-8086
NSN 6240-01-288-0555
NSN 6650-01-143-3569
NSN 5975-01-064-5190
NSN 5835-01-316-3255
NSN 6240-01-429-2747
NSN 4140-01-298-3751
NSN 6135-01-559-9637
NSN 5945-00-253-8132