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 6610-01-612-9890
NSN 6145-01-419-2420
NSN 5960-01-025-9388
NSN 5915-00-087-1971
NSN 5920-01-123-9854
NSN 6620-01-197-7665
NSN 5905-01-056-5087
NSN 5895-01-608-5763
NSN 5950-00-989-2790
NSN 5985-01-634-0635
NSN 5920-01-576-0302
NSN 6610-01-542-9725