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: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 5910-00-342-4338
NSN 6105-01-185-7982
NSN 5996-01-155-2467
NSN 6145-01-113-8205
NSN 5999-01-452-6247
NSN 6105-01-584-2746
NSN 6240-01-179-1189
NSN 5999-01-025-9717
NSN 6145-01-368-8143
NSN 6220-01-242-9901
NSN 6240-01-485-3116
NSN 5990-01-621-6969