OMI ARD-863-1 Stores Release Cartridge NSN equivalent 1377-01-369-2492
Description: OMI-ARD-863-1 Impulse Cartridge is a NATO standard stores ejection and release cartridge and consists of a cylindrical aluminum alloy case, an ignition element (electrode, bridgewire, ignition charge) and a separation disc.
Function: Upon receipt of an electrical signal the ignition element is fired and the resulting gas pres-sure ignites the propellant charge. When sufficient pressure , is developed, the closure disc ruptures and the released gas pressure activates , the release ejector mechanism.
| Length total | 25.0 mm (1.0 in) |
| Diameter | Max 32 mm (1.25 in) – Min 25 mm (1.0 in) |
| Mass total | 27.0 g |
| Mass of double base propellant | 3.2 g |
| Mass of booster | 0.65 g |
| Total mass of explosive | 3.85 g |
| Temperature limits | Max + 70 deg C Min -40 deg C |
| Pressure | Max : 484 Kg/ cm2 Min : 299 Kg/ cm2 |
| Velocity | Max : 2.7 m/s Min : 1.6 m/s |
| PACKING & PACKAGING | HAZARD CLASSIFICATION |
| 8 cartridges in plastic container | Hazard Class 1.2F |
| 18 containers in a Steel Box 24 x 9 x 8 in (60 x 22 x 20 cm) | UN No. 0046 |
| Mass Gross 25 lbs / 11.5 Kg | IMDG page 1093 |
| Mass Net 9 lbs / 4.0 Kg | FF-Class 2 |