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: Cotters, cotter-pins, washers and similar articles, of aluminum
NSN 5925-01-646-7604
NSN 6610-00-421-9853
NSN 5905-01-399-0239
NSN 5835-00-185-4919
NSN 6620-01-429-6226
NSN 6105-01-634-0322
NSN 5910-00-222-3679
NSN 4140-00-437-7858
NSN 6135-01-098-3020
NSN 5960-01-173-5639
NSN 5910-00-059-8322
NSN 5965-01-025-5129