A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
NSN 5920-01-492-0420
NSN 5930-00-464-9776
NSN 5985-01-592-1431
NSN 5835-00-969-5771
NSN 6105-00-809-7509
NSN 6110-01-041-3963
NSN 6685-01-634-0611
NSN 6610-01-450-5688
NSN 5855-01-175-0284
NSN 5975-00-677-8908
NSN 6620-00-148-8307
NSN 6110-00-943-3544