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 6240-01-406-4042
NSN 6645-00-226-2270
NSN 6610-01-513-8405
NSN 5925-00-758-7956
NSN 6610-00-247-3811
NSN 5996-01-569-6049
NSN 5985-01-172-1022
NSN 5990-01-621-6969
NSN 5920-01-018-4152
NSN 6610-01-381-0652
NSN 5965-00-798-3597
NSN 6320-01-522-0318