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 6620-01-187-7267
NSN 5998-00-285-3186
NSN 5965-00-605-8239
NSN 6685-01-504-4090
NSN 6320-01-322-8340
NSN 2925-00-355-5130
NSN 4140-00-322-9987
NSN 7035-00-585-2113
NSN 2925-01-456-6840
NSN 6610-01-455-0290
NSN 5985-00-937-0054
NSN 5990-01-287-1682