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 6135-01-477-5259
NSN 5930-00-252-4959
NSN 5905-01-204-9412
NSN 5915-01-388-2755
NSN 5965-01-399-4530
NSN 5895-00-100-4311
NSN 5925-01-060-4863
NSN 6685-01-458-6469
NSN 6620-00-635-7347
NSN 6685-00-235-3492
NSN 5996-00-707-6228
NSN 5915-01-556-9188