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 5925-01-561-3078
NSN 6240-01-516-8013
NSN 6150-00-931-8019
NSN 6240-01-070-2483
NSN 5835-01-442-6482
NSN 5996-01-228-2306
NSN 5925-01-430-5306
NSN 5930-01-551-3440
NSN 7035-01-575-1026
NSN 5950-01-322-0917
NSN 5935-01-227-3908
NSN 6150-01-553-0421