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 5925-00-241-9774
NSN 5855-00-688-9954
NSN 5945-01-020-7897
NSN 7035-01-541-8029
NSN 5935-01-648-8094
NSN 5999-01-356-0470
NSN 5910-00-007-2869
NSN 5960-01-007-5838
NSN 4140-01-352-2924
NSN 5965-00-529-0602
NSN 6620-01-499-7705
NSN 6610-00-244-2816