Rolled grooves on face of washer to denote slope
A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
Classification: Washers other than lock washers, iron or steel
NSN 5835-00-187-1481
NSN 5920-00-579-2286
NSN 5950-01-604-8158
NSN 5960-00-781-1808
NSN 5998-01-534-5771
NSN 5855-01-432-0524
NSN 6135-01-270-8601
NSN 5905-01-029-3864
NSN 6110-00-972-6005
NSN 5835-01-434-0790
NSN 5990-00-783-4560
NSN 5950-01-013-7901