MIL-PRF-25478 Revision D Notice 1 - Validation:2019
Current
The latest, up-to-date edition.
Coolers, Lubricating Oil, Aircraft, General Specification for
English
11-10-2019
This is general specification for aircraft engine lubricating oil coolers that provide oil temperature regulation for aircraft gas turbine engines using high temperature synthetic base lubricating oil, and aircraft piston engines, turbo propeller gear boxes, and helicopter transmission gear boxes using petroleum based oil.
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