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 6320-01-089-9086
NSN 5930-01-608-1428
NSN 5855-01-069-4742
NSN 6320-01-233-5798
NSN 5990-00-984-3661
NSN 6220-00-304-7358
NSN 5950-01-438-8758
NSN 6685-01-310-7942
NSN 5895-00-905-1154
NSN 6135-01-142-2417
NSN 2925-01-391-9247
NSN 5915-01-014-7877