A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
NSN 6320-01-240-4637
NSN 6685-01-163-9556
NSN 5965-01-474-2820
NSN 5975-00-156-0416
NSN 5925-00-897-0644
NSN 5925-00-694-9607
NSN 5905-00-883-3765
NSN 7035-01-518-9610
NSN 5996-01-493-1858
NSN 5965-00-939-4495
NSN 6145-01-175-3867
NSN 6240-00-879-0771