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 6220-00-229-4704
NSN 5996-01-053-1617
NSN 5975-01-235-3094
NSN 6150-01-052-9339
NSN 5965-00-938-6271
NSN 6220-01-176-1863
NSN 6130-00-894-6393
NSN 5895-00-239-9138
NSN 6240-01-398-6049
NSN 5855-01-582-7368
NSN 5910-01-642-6115
NSN 5985-01-197-0366