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 6220-00-599-4100
NSN 6135-00-477-8847
NSN 5945-00-691-5733
NSN 6685-01-411-5749
NSN 5915-01-117-7804
NSN 6650-00-296-4670
NSN 5965-01-109-2917
NSN 6220-01-376-9287
NSN 5855-01-615-0461
NSN 6135-00-284-1406
NSN 5950-00-620-7973
NSN 5835-01-527-2629