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 5950-01-332-6620
NSN 5999-00-171-8858
NSN 5895-00-674-8844
NSN 6650-00-468-8071
NSN 6320-00-433-2773
NSN 6650-00-872-0942
NSN 6105-01-351-6899
NSN 5945-01-481-7084
NSN 5996-01-472-6523
NSN 6645-00-965-5273
NSN 6145-01-295-5288
NSN 6135-01-514-5358