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 5915-01-525-7731
NSN 5945-01-101-7269
NSN 6650-00-406-8129
NSN 6685-01-356-8177
NSN 6620-01-160-3475
NSN 5998-01-124-0945
NSN 2925-01-523-3607
NSN 5920-01-045-1484
NSN 5965-01-373-8858
NSN 6620-01-254-3609
NSN 6130-01-541-4634
NSN 5925-01-437-8542