Flats slots inupper portion 0.200 in w by 0.380 in deep
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6105-01-463-7677
NSN 7035-00-870-0290
NSN 5920-01-426-8517
NSN 4140-00-983-4083
NSN 7035-01-470-4849
NSN 6110-01-110-8555
NSN 5990-01-633-9503
NSN 5905-01-287-3819
NSN 7035-01-617-0472
NSN 5915-01-014-4837
NSN 6320-00-894-1644
NSN 5895-01-165-9396