This fuze is the modified version of Fuze 161 MK 3 M-1. This fuze is assembled with Mortar Bombs 51 mm HE. This is a direct action percussion fuze which requires a head on impact for functioning.

On impact, the striker pierces the detonator which initiates the CE pellet in the magazine which in turn initiates the bursting charge in the projectile.
Physical Characteristics
Total Length 81.80 mm
Total Mass 273.38 gm
Diameter 50.82 mm
Net Explosive content 6.611 gm
Performance Characteristics
On firing the Ammunition set back force is generated which causes arming of the fuze.
Special Features
Aerodynamic shape has been given to the fuze body to achieve longer range. Also the body of the Fuze is made of aluminum alloys to make it light weight.
Strict Quality measures are adopted during various stages of production like radiography at empty & filled stage, Arming test etc so as to give desired end results. Functional proof is carried out in association with the Services Quality Assurance Organization.
3 level of safety is provided to avoid any undesired functioning of the fuze.
Dur to sound design and careful manufacture, the ammunition is very reliable for the use in battle.
Shelf life
Shelf life of filled fuze is 10 years
No separate packing as Fuzes are assembled with the bombs.
Hazard Classification
Compatibility B
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: 0091-33-2248 9027 / 2248 2103 / 2248 5077-80
Fax : 0091-33-2248 1748/2210 8235
Mail : ofbtrade@dataone.in