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: Gaskets,washers & other seals
NSN
NSN 6320-01-103-6218
NSN 6220-01-056-4874
NSN 6685-00-894-1189
NSN 5965-01-557-3995
NSN 5855-01-010-4921
NSN 5965-01-525-6768
NSN 6645-00-295-8535
NSN 5965-01-020-1514
NSN 6145-01-492-5098
NSN 6105-00-246-5311
NSN 5990-01-200-7460