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M933/M934, 120mm HE Cartridge

The M933/934 High Explosive Cartridges are designed for use with the M120 and M121 120mm Mortar Systems and are used against personnel, bunker and light materiel targets. The 1090 steel projectile is loaded with Composition B explosive. The M933 and M934 are identical with the exception of the fuze. The M934 is equipped with the M734 Multi-Option Fuze which can be set to function in the Proximity, Near Surface Burst, Impact, or Delay mode. The M934A1 is equipped with the M734A1 Multi-Option Fuze. The M933 is equipped with the M745 Point Detonating Fuze which functions in the Impact or Delay mode. Each M933/934 cartridge is packed in a PA153 Fiber Container and two packed rounds are assembled into a PA154 Metal Overpack.

The 120mm mortar will replace the aging, heavy 4.2 inch mortar system currently in use. The M933/934 consists of the following major components:

Propelling
Charge Zone
Muzzle
Velocity
Minimum
Range
Maximum
Range
0101 m/s200 m1000 m
1165 m/s500 m2500 m
2220 m/s850 m4100 m
3270 m/s1200 m5800 m
4318 m/s1600 m7200 m

Maximum Rate of Fire 16 rounds/min (first minute)
Sustained Rate of Fire 4 rounds/min
Cartridge Weight 13.65 kg (30 lb)

Contractor: Valentec Systems, Incorporated (VSI)
Procurement Type: Production
Previous Contracts: 2
Contract Type: Firm Fixed Price
Production Qty: 162680
Scope: Production
Special Provisions: All production in USA by domestic sources.


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Updated Saturday, September 12, 1998 6:35:55 AM