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 5920-01-431-8683
NSN 5960-00-096-2060
NSN 5999-01-392-9563
NSN 7035-01-287-9817
NSN 6645-01-495-0939
NSN 6150-01-542-2594
NSN 7035-01-330-6768
NSN 6110-01-372-6001
NSN 5895-00-847-8935
NSN 6620-01-354-8472
NSN 5998-00-138-6208
NSN 5910-01-304-9768