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 5998-01-464-4205
NSN 6220-01-451-7083
NSN 6610-00-835-0248
NSN 6135-01-062-9356
NSN 6105-00-246-5311
NSN 5835-01-580-0446
NSN 5999-01-111-6948
NSN 6240-01-007-1199
NSN 7035-01-164-2136
NSN 6645-00-483-7044
NSN 6145-01-344-9709
NSN 5990-00-947-6879