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 5905-01-069-7550
NSN 5920-01-279-9137
NSN 5835-01-238-3381
NSN 5998-01-555-7666
NSN 5960-01-100-0089
NSN 5965-01-258-5662
NSN 5920-01-288-2179
NSN 5996-00-200-5610
NSN 5950-01-173-0737
NSN 6220-01-263-9494
NSN 5998-01-574-9352
NSN 6620-00-646-9474