AK20F means 80% nitric acid + 20% N2O4 + fluorine passivant AK = Azotna Kislota = Nitric Acid in NASA




Similar to AK20F

A/L - Approach and Landing
AA - Astronomical Applications
AA - Adverse Action
AA - Antenna Assembly
AAA - Avionics Air Assembly
AAC - Aft Access Closure
AACB - Aeronautics and Astronautics Coordinating Board

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