DOD-PRF-85734A, PERFORMANCE SPECIFICATION: LUBRICATING OIL, HELICOPTER TRANSMISSION SYSTEM, SYNTHETIC BASE (29 JUN 2004) [SUPERSEDING DOD-L-85734]
DOD-PRF-85734A, PERFORMANCE SPECIFICATION: LUBRICATING OIL, HELICOPTER TRANSMISSION SYSTEM, SYNTHETIC BASE (29 JUN 2004) [SUPERSEDING DOD-L-85734]., This specification covers the requirements for one grade of a synthetic base
helicopter transmission system lubricating oil.