Dyed brown
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 6220-01-383-6178
NSN 7035-01-227-7492
NSN 5996-01-374-3452
NSN 5990-01-267-3590
NSN 5990-01-587-8562
NSN 5925-00-846-2234
NSN 6610-00-144-7036
NSN 6150-01-212-4344
NSN 5950-00-426-6786
NSN 5935-01-069-4500
NSN 5920-01-040-0425
NSN 6135-01-408-9244