Dyed orange
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 5990-01-497-2138
NSN 5985-01-152-2512
NSN 6645-01-544-9475
NSN 6620-01-569-4621
NSN 5985-01-316-6428
NSN 5965-01-214-6225
NSN 5920-01-512-2854
NSN 5935-00-242-2744
NSN 6610-01-065-6057
NSN 5925-01-270-2736
NSN 6610-01-200-6861
NSN 6685-01-578-3449