C-635
Def Stan 80142
PX-26
MIL-PRF-6083
AIR 1506
HYDRAUNYCOIL FH 6
PETROLEUM HYDRAULIC FLUID
HYDRAUNYCOIL FH 6 is a rust-inhibited petroleum hydraulic fluid. It is intended primarily for use as a preservative medium for aircraft hydraulic systems and components and as an operational preservative fluid for ordnance equipment such as recoil mechanisms and hydraulic systems for rotating weapons or aiming devices. Temperature range : - 54oC to + 135oC.