AK20F means 80% nitric acid + 20% N2O4 + fluorine passivant
AK = Azotna Kislota = Nitric Acid in
NASA
Similar to AK20F
ABOLT - Acquire Bolt
ABS - Anti Burn Shield
ABS - After Body Section
ABS - Air Breathing System
ABS - Air Base Supply
ABT - Approximate Burn Time
ABU - Analog Back- Up
View all in NASA