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 6645-00-333-5396
NSN 6145-00-957-7780
NSN 5855-00-411-8688
NSN 5930-00-170-5567
NSN 6685-01-436-9881
NSN 6135-01-552-1568
NSN 6145-01-564-1154
NSN 5910-01-259-5642
NSN 2925-00-845-1480
NSN 5975-01-090-0320
NSN 5835-01-049-5290
NSN 6620-00-753-0745