A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
NSN 6685-01-027-9098
NSN 7035-01-406-4146
NSN 5960-00-140-9583
NSN 5855-01-163-8152
NSN 6650-01-145-5173
NSN 6320-01-335-8336
NSN 5935-01-592-2526
NSN 6320-01-497-3116
NSN 2925-01-100-3694
NSN 5935-00-665-5125
NSN 6110-01-278-3570
NSN 4140-01-373-7044