MIUTARY SPECIF!ICAIION (INCH-POUND I - MLT-63 53 6(AR) NOTICE 1 12 October 1990 . lbrret Subsystem, Universal (UTS), For Armament Subsystem, Helicopter, 20MM, M97E1 distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-