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 6220-01-208-0989
NSN 5925-01-632-5346
NSN 5990-00-892-5537
NSN 5915-01-385-8699
NSN 5930-00-362-6737
NSN 5965-01-492-5695
NSN 5999-01-492-5787
NSN 5985-00-205-2922
NSN 5945-00-552-5061
NSN 7035-00-140-0474
NSN 5999-00-977-7380
NSN 6220-01-408-1747