MIL-PRF-87252E

MIL - PRF – 87252E, PERFORMANCE SPECIFICATION: COOLANT FLUID, HYDROLYTICALLY STABLE, DIELECTRIC
[SUPERSEDING MIL-PRF-87252D].

This specification describes the characteristics and provides the requirements for synthetic hydrocarbon fluids intended for use as a heat transfer medium in closed military systems and capable of functioning as a dielectric coolant fluid over the temperature range of -54°C to 200°C. Dielectric coolant fluid is used to cool military aircraft systems, including radar, aircraft avionics systems, missiles, and navigation systems.

This fluid is identified by NATO Code S-1748.