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 5965-00-162-1244
NSN 6685-00-105-9896
NSN 5998-01-601-0475
NSN 6320-01-160-7757
NSN 6610-01-196-3010
NSN 6620-01-355-4339
NSN 5975-01-260-2731
NSN 5950-01-610-1080
NSN 6220-01-073-1460
NSN 5855-01-244-4978
NSN 5910-01-044-3984
NSN 5915-00-784-1848