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 5945-00-981-5197
NSN 6145-00-534-1412
NSN 5998-01-573-7441
NSN 5965-01-095-9767
NSN 6130-01-535-0028
NSN 5905-01-210-1140
NSN 5920-01-318-9442
NSN 6130-01-011-1303
NSN 5915-00-233-6346
NSN 5998-01-412-0607
NSN 5920-01-391-9008
NSN 5920-00-882-8667