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 6105-00-248-5772
NSN 6145-01-055-8851
NSN 5835-00-918-3720
NSN 5905-01-114-3421
NSN 6610-00-202-5481
NSN 6685-00-625-5722
NSN 2925-01-076-5219
NSN 6620-01-151-3986
NSN 5895-01-454-0536
NSN 4140-01-514-7549
NSN 5855-00-118-8762
NSN 6105-00-652-4548