The Cartridge,impulse, cataloged under National Stock Number 1377-01-299-2174, is classified within Federal Supply Class 1377 (Cartridge and Propellant Actuated Devices and Components) of the Ammunition and Explosives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1377-01-299-2174 |
| Item Name | Cartridge,impulse |
| FSC / FSG | 1377 / 13 — Cartridge and Propellant Actuated Devices and Components |
| Status | ACTIVE |
| Body Diameter | 1.558 INCHES NOMINAL IN |
| Percussion Detonation Type | CENTER FIRE |
| Cartridge Model Number | CCU-99/A |
| Dod Ammunition Code | 1377-MT97 |
| Detonation Initiation Method | PERCUSSION |
| Hazardous Material Classification Code | I COAST GUARD CLASS AND C DEPARTMENT OF TRANSPORTATION CLASS AND I FIREFIGHTING GROUP AND C STORAGE COMPATIBILITY GROUP |
| Material | ALUMINUM ALLOY CASE |
| Gross Weight | 1.5 SHIPPING CONTAINER POUNDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) I COAST GUARD CLASS AND C DEPARTMENT OF TRANSPORTATION CLASS AND I FIREFIGHTING GROUP AND C STORAGE COMPATIBILITY GROUP |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| CCU-99/A | 5/1 Secondary reference Naval Surface Warfare Center Indian Head |
| MBEU-145438 | 3/9 Design control — primary reference Martin Baker Aircraft Co Ltd |
| 10104530 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| MBEU-145438 | C/1 Advisory reference — outside the item-of-supply concept Martin-Baker Aircraft Company Limited |
| 1377-MT97 | 6/9 Informative reference only U.S. Government activity |
NSN 1377-01-299-2174 is a Cartridge,impulse, classified under FSC 1377, Cartridge and Propellant Actuated Devices and Components. Status: active.
Key specifications for 1377-01-299-2174: Body Diameter: 1.558 INCHES NOMINAL IN; Percussion Detonation Type: CENTER FIRE; Overall Length: 2.925 INCHES NOMINAL IN; Cartridge Model Number: CCU-99/A. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). The government record also carries hazard data: DOT hazard class, UN number, or related classification fields. Special handling, storage, and shipping requirements apply per the cited government fields.
NSN 1377-01-299-2174 has DEMIL Code G. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.