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 6150-01-634-0575
NSN 6620-01-415-2307
NSN 6645-00-892-5750
NSN 5975-01-315-5842
NSN 6220-01-425-1588
NSN 5999-01-443-1933
NSN 5975-01-448-2998
NSN 5910-00-950-9394
NSN 6110-01-344-9857
NSN 6220-01-388-2624
NSN 6105-01-026-0165
NSN 6135-01-142-6456