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 6135-01-374-6631
NSN 6685-01-564-9421
NSN 5999-01-633-4910
NSN 5855-01-184-8089
NSN 5905-01-143-1004
NSN 6130-01-539-2940
NSN 6105-01-069-6302
NSN 6110-01-433-0292
NSN 5930-00-226-5922
NSN 5855-01-282-4881
NSN 6620-01-006-4899
NSN 6220-00-118-2386