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 6610-01-559-5073
NSN 5985-01-578-3599
NSN 5920-01-311-6725
NSN 5950-01-164-6556
NSN 5930-01-286-5853
NSN 6620-00-965-9841
NSN 5998-01-521-3485
NSN 5895-01-634-0630
NSN 5905-01-602-9868
NSN 5930-00-042-8827
NSN 5905-01-391-7497
NSN 5990-01-384-2697