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 6150-01-326-1531
NSN 5855-01-212-6612
NSN 5835-01-473-6187
NSN 5915-01-646-4034
NSN 6620-01-541-5480
NSN 5960-01-597-9591
NSN 5895-01-455-3114
NSN 6685-01-657-8405
NSN 6650-01-463-8405
NSN 5975-01-125-4809
NSN 5985-01-136-3472
NSN 5945-01-145-3179