6 grooves 0.219 in. W by 0.312 in. Deep
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 5935-01-062-2453
NSN 5920-01-298-1925
NSN 6105-00-606-4077
NSN 5998-01-177-5411
NSN 5930-01-346-2962
NSN 5985-01-267-5376
NSN 5965-00-961-1627
NSN 5920-01-398-6683
NSN 6105-01-326-8985
NSN 6145-01-519-7915
NSN 5950-01-643-5511
NSN 5975-01-215-1205