MIL-PRF-87930A, PERFORMANCE SPECIFICATION, PROPELLANT, HYDRAZINE- WATER (70 PERCENT HYDRAZINE - 30 PERCENT WATER) (24 NOV 1997) [SUPERSEDING MIL-P-87930]., This specification covers the requirements for a hydrazine-water propellant blend, 70 percent by weight hydrazine and 30 percent by weight water.