CARTRIDGE 105 mm TANK HESH
GENERAL :
The ammunition is of UK origin and is fired through O.Q.F. 105/531A. This ammunition is identical to O.Q.F 20 Pr. Tank Gun. This can also be mounted on upgunned centurion tank. The Gun is fired electrically and is accurate for armour penetration at 914.38 metres. The ammunition is of Q.F. Fixed type. The cartridge case is made of brass to specification JSS-9535-2. The cartridge case is slightly tapered through out its length. The Shell body is made of steel to Specification JSS-9510-1 Gde SS/F-30. It is cylindrical in shape fitted with two driving bands. The shell is filled with RDX/WAX and one base fuze L29A3 is assembled into it. This ammunition is manufactured to Government of India, Ministry of Defence Specification No. IA 1207 and Drawing No. IRW 110 GF.

PHYSICAL CHARACTERISTICS

Total length of ammunition

139.8 mm
Total mass of ammunition

21.12 kgs

Mass of projectile 11.25 kgs
Propellant (ACM) 2.50 kgs
Explosive filling in Projectile 2.20 kgs
Explosive filling in Fuze 16.17 gms
Explosive filling Tracer 33.44 gms
Explosive filling in Primer 28.94 gms
Net explosive content 4778.00 gms
 

PERFORMANCE CHARACTERISTICS :

Muzzle Velocity

732 m/s
Maximum Range 8000 m
Armour penetration 120mm at 0 ° to 65 °
Accuracy Within 1 min SD upto1800 m (Horizontal & Vertical)
 
SPECIAL FEATURES :
The ammunition functions on the principle of Squash head and therefore is having a base fuze.
SAFETY :
The fuze does not get armed unless it is spun above 7000 rpm. The primer also cannot be initiated unless it receives an electric impulse.
RELIABILITY :
Due to its sound design and careful manufacture, the ammunition is very reliable for use in combat field environment.
SHELF LIFE :
Shelf life of the ammunition is 18 years
PACKING :
Each round is packed in waterproof laminated paper container, the lid and body of which is sealed together with two turns of tape adhesive waterproof. Two such containered rounds are finally packed in one steel box.

STOWAGE DIMENSION :

Packing box size

1097 mm x 413 mm x 195 mm
Gross weight 66.0 kgs
Net weight 22.5 kgs
Volume 0.088 cu. m
 

HAZARD CLASSIFICATION :

Cartridge is classified in Compatibility group

F
Hazard division 1.2
Fire fighting classification 2
Contact :
Marketing & Export Division
Ordnance Factory Board
Ayudh Bhawan
Government of India
Ministry of Defence
10A S. K. Bose Road. Kolkata - 700 001, India.

Tel: 0091-33-248 9027 / 248 2103 / 248 5077-80
Fax : 0091-33-248 1748/210 8235
Mail : ofbtrade@dataone.in
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