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 6610-00-190-3684
NSN 5905-01-355-0659
NSN 5999-01-432-9839
NSN 4140-01-194-6595
NSN 6320-01-039-5891
NSN 5855-01-064-8961
NSN 6685-01-581-8294
NSN 6220-01-498-2800
NSN 5905-00-492-6670
NSN 5998-00-222-5293
NSN 5990-01-198-7953
NSN 5930-00-082-0441