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 5855-00-973-5717
NSN 5990-00-254-4825
NSN 7035-00-117-0418
NSN 5985-00-925-1216
NSN 5975-01-261-6328
NSN 5935-01-171-8723
NSN 6145-00-630-2010
NSN 6220-01-578-5272
NSN 6105-00-299-6373
NSN 6240-01-004-8790
NSN 5950-00-759-6785
NSN 6150-00-760-6051