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 6105-01-526-6140
NSN 5920-00-332-8384
NSN 5855-01-230-4665
NSN 5990-00-015-3907
NSN 2925-01-418-8106
NSN 6145-00-184-6171
NSN 5985-01-228-6619
NSN 6130-00-464-6361
NSN 5910-01-100-7859
NSN 5905-01-144-1197
NSN 6220-01-449-1239
NSN 5905-01-011-6997