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 6320-01-364-1840
NSN 5985-01-595-7542
NSN 6645-00-268-4042
NSN 6240-00-643-4532
NSN 5855-01-590-3323
NSN 5925-00-414-1433
NSN 2925-01-199-7394
NSN 6620-01-012-2852
NSN 6620-01-590-7035
NSN 5975-00-988-3493
NSN 5965-00-902-6673
NSN 5990-01-222-8570