A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
NSN 5905-01-440-9307
NSN 5855-00-482-9876
NSN 6145-00-327-1954
NSN 6610-00-563-2967
NSN 5996-01-391-4746
NSN 6645-01-144-4408
NSN 6240-00-822-4571
NSN 5996-00-136-6730
NSN 6645-01-214-2561
NSN 4140-00-486-0396
NSN 5925-01-198-6220
NSN 6645-01-574-6160