20 mm x 102, HEI
20x102 mm HEI
20x102 mm high-explosive incendiary round with a 100 g projectile carrying 10.7 g of filling, muzzle velocity 1030 m/s, for the M621 gun.
Also written: 20 mm, 20 mm x 102, 20 x 102, 20X102, 20x102
Enlarge 20x102 mm HEI
Specification
| Projectile type | HEI (high explosive incendiary) |
|---|---|
| Round mass | approx. 259 g |
| Projectile mass | 100 +/- 1.7 g |
| Explosive mass | approx. 10.7 g |
| Propellant mass | approx. 38 g |
| Round length | 166.87 to 167.25 mm |
| Muzzle velocity | 1030 +/- 15 m/s |
| Mean max piezopressure (group of rounds) | 4300 bar |
| Max single piezopressure | 4500 bar |
| Fuze arming distance | 183 +/- 23 m |
| Operating temperature | -30 to +50 deg C |
| Weapon compatibility | 20 mm gun M621 |
| Packing | 60 rounds in an Al-bag, bag in a nailed case, 30 cases per pallet |
All data provided for information purposes; final specification is defined per contract. Full technical data sheets are issued on request against a stated end-user.