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 6130-00-394-6555
NSN 5985-00-272-7451
NSN 6645-00-233-4286
NSN 5965-00-351-7460
NSN 5945-01-087-1454
NSN 5920-01-215-4741
NSN 6620-00-627-3688
NSN 6110-01-448-1331
NSN 6110-01-390-3302
NSN 5895-00-133-4357
NSN 6135-01-177-3552
NSN 6610-00-113-4552