Two parallel rolled grooves
A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
Classification: Washers other than lock washers, iron or steel
NSN 5925-00-605-6448
NSN 5930-00-707-8907
NSN 6320-01-108-5933
NSN 5835-01-295-2431
NSN 6130-01-209-9067
NSN 6150-01-545-3031
NSN 5935-00-735-2194
NSN 5910-01-197-7358
NSN 5925-00-827-4964
NSN 5930-00-985-0990
NSN 5985-01-614-4975
NSN 5965-01-633-8849