A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
NSN 6130-00-269-8273
NSN 6220-00-255-1109
NSN 6220-00-232-4436
NSN 6240-00-400-7980
NSN 5930-01-185-8432
NSN 5998-01-444-3964
NSN 6105-01-365-7402
NSN 5895-01-322-1200
NSN 5985-01-013-8892
NSN 5950-00-812-3231
NSN 6110-01-027-8720
NSN 5835-01-089-7615