1. MIL-H-83282 Military Specification, Hydraulic Fluid, Fire Resistant, Synthetic Hydrocarbon Base, Metric, Aircraft and Missile, NATO Code Number H-537 (25 Mar 1986).
2. MIL-H-5606E, Military Specification, Hydraulic Fluid, Petroleum Base, Aircraft, Missile and Ordnance, NATO Code H-5 15 (26 Jan 1978).
3. Nonflammable hydraulic system development for aerospace