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 5930-01-042-6586
NSN 6135-00-223-9563
NSN 5945-01-122-5176
NSN 5905-01-538-6603
NSN 6145-01-132-2279
NSN 6685-01-430-4025
NSN 6130-00-146-1525
NSN 5990-01-517-7848
NSN 5950-01-052-1856
NSN 6610-01-423-5567
NSN 6320-00-194-4252
NSN 6320-01-275-3972