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 4140-00-246-4969
NSN 6220-01-449-2807
NSN 6320-00-270-8222
NSN 6620-01-617-3915
NSN 5925-01-352-3349
NSN 5950-01-271-4819
NSN 2925-00-862-8550
NSN 6620-01-384-2105
NSN 6685-01-253-3507
NSN 6645-01-485-4521
NSN 5935-01-381-6324
NSN 5935-01-231-1990