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 6620-01-361-8685
NSN 5910-01-308-9253
NSN 5999-01-631-4314
NSN 5998-00-632-3063
NSN 5950-00-448-1578
NSN 5999-00-415-5353
NSN 5895-00-831-2714
NSN 6620-01-440-9810
NSN 6145-01-252-3777
NSN 6685-01-088-7317
NSN 5910-01-435-4717
NSN 4140-00-376-5712