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 6620-01-470-6479
NSN 6135-01-543-4256
NSN 6645-01-411-5657
NSN 5960-01-254-3541
NSN 6110-01-439-8247
NSN 6620-01-261-2985
NSN 5999-01-357-9678
NSN 5895-01-074-6224
NSN 5945-00-235-9110
NSN 5975-01-055-2290
NSN 5835-01-233-7033
NSN 5999-01-041-6617