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 5975-01-213-7884
NSN 6135-00-497-0491
NSN 6135-01-519-7879
NSN 6145-00-155-5297
NSN 5945-00-478-4352
NSN 6645-01-463-4314
NSN 6620-00-064-3598
NSN 6685-01-625-3386
NSN 5996-01-245-2946
NSN 5855-01-276-0353
NSN 2925-00-228-8854
NSN 5945-01-231-8894