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 5950-01-371-4143
NSN 2925-00-891-9289
NSN 5920-01-441-8316
NSN 7035-01-073-5233
NSN 5920-00-681-1172
NSN 5925-00-992-4963
NSN 6685-01-618-7857
NSN 6685-01-475-3095
NSN 7035-01-353-4048
NSN 5905-01-212-9159
NSN 5945-01-214-4136
NSN 5999-01-100-4508