A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
NSN 5895-01-536-5811
NSN 5920-01-013-5780
NSN 6110-01-204-1270
NSN 6145-00-982-8821
NSN 6130-00-512-1275
NSN 6130-01-655-4264
NSN 6650-00-710-8130
NSN 5835-00-876-4544
NSN 6130-01-499-0046
NSN 6685-01-398-9807
NSN 5835-01-384-3206
NSN 5910-01-421-4153