A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6150-00-173-0424
NSN 5965-01-398-0779
NSN 5925-00-960-0059
NSN 6620-00-952-9844
NSN 5930-00-091-9255
NSN 5990-00-807-3623
NSN 6610-00-458-5444
NSN 6220-00-108-8598
NSN 5915-01-526-2608
NSN 6620-01-160-0439
NSN 5835-01-384-3206
NSN 5905-01-445-7729