| Action: | PD; SQ or delayed |
| Arming: | by set-back forces |
| Muzzle Safety Distance: | 5 m |
| Time of Delay: | 0.027 to 0.063 sec |
| Temperature Range for Firing: | -40 to +50°C |
| Temperature Range for Storage: | -40 to +50°C |
| Shelf Life: | 15 years |
| Length of Fuze (max): | 105.71 mm |
| Visible Length: | 60.0 mm |
| Intrusion Length (max): | 46.8 mm |
| External Diameter (max): | 40.0 mm |
| Weight of Fuze: | 438 g |
| Type of Booster Pellet: | Tetryl |
| Weight of Booster Pellet: | 12.5 g |
| Thread Size: | Spec. 36.18 x 10 tpi |
| packed in a wooden case with dimensions: | 520x500x170mm |
| Gross weight: | 42 kg |
| Volume: | 0.045 m3 |
Operation Modes
The fuze has two operation modes, which are selectable, by built-in setter and wrench:
|
position “O” |
for SQ action |
|
position “З” |
for delayed action |
Fuze Safety
Before firing the Safety and Arm device prevents the detonator from positioning into the fire train. Even in case of unintentional ignition of the primer, no transfer of the firing pulse to the fire train can occur.
Fuze arming
At firing the set-back forces arm the fuze, fixing the elements of the fire train in one line. The fuze is armed within 5 to 20 m from muzzle.
Fuze ACTION
Upon impact the fuze provides SQ or delayed action of 0.027 to 0.063 s.
The fuze functions under the impact and inertia forces. The inertia device ensures ignition not only upon impact on solid ground, but also on snow or marshy ground.
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