Used on c-5 reliability enhancement re-engining program. 2.017" hole diameter washer - attach, bolt, inbd pylon to wing heat treat to 205-235 ksi range per STP54-013; finish m-53 type iv for finish code see DS30000
Used on 2320-01-465-2174. 0.406" hole diameter washer for soft materials (type b) oem: willie masher manufacturing; part number: 0.734-0.406-.062x; no cage code available