A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 5998-01-443-0401
NSN 4140-01-089-4713
NSN 5935-01-630-4067
NSN 6320-01-306-8117
NSN 5950-01-536-9618
NSN 6685-01-554-9698
NSN 5895-00-147-4101
NSN 6645-00-183-8812
NSN 5915-00-518-6936
NSN 5990-01-498-0641
NSN 6610-01-139-4713
NSN 5905-01-108-3177