A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
NSN 5998-00-752-1162
NSN 6610-01-521-9801
NSN 5990-00-079-0932
NSN 5935-01-652-4925
NSN 5855-00-962-5792
NSN 5895-01-486-3189
NSN 5985-01-211-1591
NSN 5905-00-864-9448
NSN 6110-01-657-0155
NSN 5905-01-541-5010
NSN 6145-00-290-1759
NSN 5915-01-321-3234