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 6130-01-646-0038
NSN 5925-00-464-4675
NSN 7035-01-202-8172
NSN 4140-01-054-3553
NSN 6145-01-232-0309
NSN 5999-00-369-1623
NSN 6645-00-411-3733
NSN 5835-01-022-0778
NSN 5999-00-578-7488
NSN 5920-01-314-6341
NSN 2925-01-100-3694
NSN 5990-01-433-3786