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 5945-01-574-2178
NSN 5965-01-630-9543
NSN 5925-01-144-5459
NSN 5999-00-833-6333
NSN 6150-00-172-6704
NSN 5999-01-309-3952
NSN 5945-01-227-3740
NSN 6135-01-592-2765
NSN 5960-01-091-0668
NSN 4140-01-371-1565
NSN 5930-00-104-6148
NSN 6105-00-610-0538