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 6685-00-617-0503
NSN 5855-00-405-4532
NSN 6145-00-246-2424
NSN 6220-00-079-4840
NSN 5998-01-480-9531
NSN 5910-00-644-7300
NSN 5975-01-237-0034
NSN 6645-01-589-8406
NSN 6135-01-041-3829
NSN 6645-01-171-4528
NSN 6240-00-353-5753
NSN 5855-01-042-7990