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 6610-00-183-0664
NSN 6130-00-218-1363
NSN 6685-00-578-5951
NSN 5930-01-559-7860
NSN 6150-00-223-8797
NSN 6650-00-590-9073
NSN 5999-01-587-2057
NSN 5945-00-484-8033
NSN 5835-01-359-2575
NSN 5905-01-070-4606
NSN 6145-00-186-6291
NSN 6105-00-847-1397