A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
NSN 5920-01-284-1786
NSN 5950-00-212-7827
NSN 6150-01-350-2063
NSN 6650-01-428-9958
NSN 6645-01-008-2720
NSN 5945-01-494-4297
NSN 5990-01-198-4748
NSN 6110-00-614-9218
NSN 6240-01-475-6749
NSN 6135-01-543-2879
NSN 6650-01-393-7655
NSN 5835-01-160-7282