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 6240-01-022-9148
NSN 5975-01-461-0592
NSN 5835-00-933-9609
NSN 5950-01-269-4047
NSN 6240-01-432-0819
NSN 5855-01-444-3447
NSN 6645-00-985-5543
NSN 5910-01-423-2517
NSN 5998-00-536-4873
NSN 6240-00-119-4182
NSN 2925-01-461-6372
NSN 5975-00-441-5462