A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 6220-00-251-5600
NSN 6610-01-378-7379
NSN 5930-01-411-4980
NSN 5950-01-543-4195
NSN 6135-01-602-8383
NSN 5975-01-468-3292
NSN 6130-00-009-9602
NSN 6685-00-141-4300
NSN 7035-00-679-9027
NSN 6145-01-273-0077
NSN 5996-00-316-3386
NSN 5985-01-526-8778