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 5990-00-518-0684
NSN 6110-01-379-8027
NSN 6135-01-236-8603
NSN 5905-01-433-6645
NSN 5960-01-537-8161
NSN 5998-01-499-6727
NSN 6620-00-887-8908
NSN 6135-01-008-4595
NSN 5975-01-594-4389
NSN 5945-01-323-5787
NSN 6240-01-534-5829
NSN 5895-00-186-0717