A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
NSN 5920-01-435-6052
NSN 5935-01-399-2574
NSN 6105-00-309-4586
NSN 2925-01-593-2542
NSN 6320-01-194-1253
NSN 5950-01-364-0800
NSN 5965-01-187-0941
NSN 6650-01-032-1786
NSN 6645-01-038-2829
NSN 6645-01-490-5948
NSN 5910-01-108-0671
NSN 6240-00-518-3541