Fuze MG-25 for 23x152mm HEI-T Rounds

NSN: 1390

MG-25 is a mechanical, nose, point-detonating fuze with delayed action. The fuze features self-destruciton.

Fuze MG-25 completes 23 x 152 mm HEIT rounds for automatic guns 2A14, 2A14M, 2A7 and 2A7M of the following 23 mm air-defence gun mounts and their modifications:
· ZU-23-2
· ZSU-23-4 SHILKA

The fuze is safe in storage, handling and operation and ensures the safe and reliable function of the ammunition in all weather conditions.

FUZE ARMING
The fuze ensures arming by set-back and rotational forces within 2.5 to 20 m from muzzle.

FUZE ACTION
Upon impact the fuze provides delayed action within 0.002 to 0.004 s.

SELF DESTRUCTION
In case of no impact the round is self-destruct within 14 to 19 s.

TECHNICAL SPECIFICATIONS

BASIC CHARACTERISTICS:	– – –
Action:	Point-Detonating Fuze with Delayed Action
Arming:	By set-back and rotational forces
Muzzle Safety Distance:	Not less than 2.5 meters
Time of Delay:	0.002 to 0.004 seconds
Time of Self-Destruction:	14 to 19 seconds
Operational Temperature Range for firing:	-40 to +50°C
Operational Temperature Range for storing:	-40 to +50°C
Shelf Life:	15 years

 

TECHNICAL DATA:	– – –
Length of Fuze (max):	53.2 mm
Visible Length (max):	31.2 mm
Intrusion Length (max):	22 mm
External Diameter (max):	20 mm
Weight of Fuze:	37 grams
Type of Booster:	A-30-T
Weight of Booster:	1 gramm
Thread Size:	Spec. M17.96×0.75cl2a

 

PACKING:	– – –
Number of Fuzes in one Case:	3120 fuzes in one metal air-tight sealed box in a wooden case
Case Dimensions:	525x525x720 mm.
Case Gross Weight:	147 kg.
Case Volume:	0.02 cubic meters