A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.
Classification: Washers other than lock washers, iron or steel
NSN 7035-00-126-1899
NSN 5915-01-070-8470
NSN 6685-01-459-8601
NSN 7035-00-574-4223
NSN 6145-00-005-1018
NSN 5905-01-182-6594
NSN 6130-00-502-3196
NSN 5910-01-333-7285
NSN 5920-00-736-0796
NSN 6105-01-272-9235
NSN 6135-01-142-2417
NSN 5925-01-426-6923