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 6145-01-543-4429
NSN 5965-00-653-4782
NSN 5895-01-425-2531
NSN 6240-01-055-5193
NSN 6130-01-523-6982
NSN 5920-01-556-0912
NSN 5998-00-661-0380
NSN 6685-01-226-8141
NSN 6610-01-527-8006
NSN 5950-00-357-8645
NSN 6145-01-272-8976
NSN 5930-00-420-0915