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 6620-01-032-3937
NSN 5935-01-206-7538
NSN 6645-01-425-2330
NSN 6105-01-583-8722
NSN 6620-00-932-4306
NSN 5905-00-420-4251
NSN 5996-00-236-3206
NSN 5998-01-152-2819
NSN 6620-01-506-1003
NSN 5950-01-241-3663
NSN 6105-01-033-3017
NSN 6130-00-661-0197