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 5998-01-309-0500
NSN 5925-01-439-1364
NSN 6220-01-373-5918
NSN 5895-00-007-1295
NSN 6110-00-881-4195
NSN 6135-01-056-4609
NSN 5905-01-626-3549
NSN 6320-01-362-9518
NSN 6320-00-270-8222
NSN 5996-01-606-0835
NSN 6150-01-312-7486
NSN 5999-01-088-9051