Used on c17
No other part numbers with same form, fit, and function found.
A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
NSN 6645-00-392-8728
NSN 6150-01-246-1737
NSN 5975-00-031-2871
NSN 6130-01-400-6123
NSN 4140-01-528-8364
NSN 6650-00-279-5741
NSN 6110-01-350-5850
NSN 6105-01-276-2070
NSN 6240-01-381-6815
NSN 5930-01-512-3908
NSN 5935-01-644-6316
NSN 6685-01-421-4070