OMI F-71A Stores Release Cartridge NSN equivalent 1377-14-352-8912
Description: OMI-F71A Impulse Cartridge is a 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.
| No. | Description | x- in Item | OMI Dwg# |
| 1 | Squib | 1 | 3659-0.1 |
| 2 | Cartridge Case | 1 | OMI-BP-001-01 |
| 3 | Washer, Nose, BP | 2 | OMI-BP-001-02 |
| 4 | Combustible Closure Disk | 1 | OMI-BP-001-03 |
| 5 | O-Ring | 1 | Ø 26 x 2 |
| 6 | Al-self-adhesive foil | 2 | Ø 30 |
| 7 | NC-Propellant | 170 mg | Type 421 |
| 8 | NC-Propellant | ~ 5g | Type 335 |
| 9 | Colour,Marking, braun | a.r. | RAL 2202 |
| 10 | Tin-Can | 0.048 | Ø 99 x 119 |
| 11 | Ring-Pull-Cover | 0.05 | Ø 99 |
| Combustible Closure Disk Ingredients | |||
| 12 | Nitrocellulose, soluted, 28 % | 0.12 | |
| 13 | NC-Propellant | 0.84 | Type 421 |
| 14 | Boron, amorphous | 0.04 |