Type Classification: target within 4 to 7 seconds, a SD mechanism will cause high order detonation of the projectile.
STD - AMCTC 6391.
Gun, M139. UNO serial number 0321
UNO proper shipping
Description: name Cartridges for weapons, with
HIGH EXPLOSIVE INCENDIARY-TRACER bursting charge
Cartridge. The cartridge has a point-detonating (PD) Type HEI-T
self-destroying (SD) fuze M594. The projectile is a Weight (approx) 317 g hollow body filled with 120 grams of high explosive Length 8.39 in.
incendiary (HEI) mixture with a tracer tablet at the base (213.11 mm)
and the PD SD fuze screwed onto the nose. Projectile (steel):
Tracer Tablet, 1.17 g
Function: Explosive (HEI mix) 120 g
Fuze PD SD, M594,
When fired, the weapon firing pin initiates the primer aluminum which ignites the propelling charge. Gases produced by Color Yellow with red the burning propellant propel the projectile. The "T" band, black projectile shall function with high order detonation upon markings impact or, if the projectile does not impact on intended Cartridge case Steel, M187
Propellant VTL-1375-502-52 g
Primer percussion M103
Chamber pressure 49,500 psi
Velocity 3460 fps, 78 ft from muzzle
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