A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
NSN 5905-01-474-2314
NSN 6650-00-879-5834
NSN 7035-01-086-8095
NSN 6130-00-059-4642
NSN 5990-01-116-2181
NSN 6240-01-206-4809
NSN 5960-01-243-7291
NSN 5999-01-569-8587
NSN 4140-00-810-6994
NSN 6135-00-087-5300
NSN 6130-01-130-8891
NSN 6130-01-384-3290