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 5999-01-621-0442
NSN 5960-01-512-0233
NSN 5835-01-536-5739
NSN 6150-01-245-4310
NSN 5910-00-884-3572
NSN 6130-01-519-3247
NSN 6620-01-587-1088
NSN 6110-00-054-2527
NSN 5985-01-065-2406
NSN 6620-00-199-8734
NSN 5975-01-053-1331
NSN 5920-00-598-0469