A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
NSN 5835-00-104-2511
NSN 5895-01-445-0326
NSN 6145-00-269-4271
NSN 6150-01-357-7687
NSN 5855-01-333-9606
NSN 6650-00-126-8990
NSN 2925-01-342-1712
NSN 5985-01-469-8438
NSN 5965-01-433-6629
NSN 5950-00-491-1465
NSN 5985-01-650-9459
NSN 4140-00-726-8032