The Catapult,aircraft Ejection Seat, cataloged under National Stock Number 1377-00-628-5178, is classified within Federal Supply Class 1377 (Cartridge and Propellant Actuated Devices and Components) of the Ammunition and Explosives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1377-00-628-5178 |
| Item Name | Catapult,aircraft Ejection Seat |
| FSC / FSG | 1377 / 13 — Cartridge and Propellant Actuated Devices and Components |
| Status | ACTIVE |
| Actuation Method | CARTRIDGE |
| Net Explosive Weight | 0.45 STORAGE POUNDS AND 0.45 TRANSPORTATION POUNDS |
| Dot Proper Shipping Name | CARTRIDGES, POWER DEVICE |
| Actuator Model Number | M36 |
| Criticality Code Justification | EXWT |
| Dot Identification Number | UN0276 |
| Dot Registration Code | EX1988050810 |
| Training Usage Feature | NOT INCLUDED |
| Dod Ammunition Code | 1377-M322 |
| Actuator | INCLUDED |
| Dot Hazard Class/division | 1.4 |
| Hazardous Material Classification Code | 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Unable to Decode | UNABLE TO DECODE |
| Dot Warning Label Code | 1.4C |
| Gross Weight | 31.0 SHIPPING CONTAINER POUNDS |
| Reference Number Differentiating Characteristics | AGUC,AGXZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | Hazardous per DLA record (HMIC Y) DOT hazard class/division 1.4 · UN ID UN0276 · warning label 1.4C · 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION · ships as CARTRIDGES, POWER DEVICE |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 1377-M322 | 6/9 Informative reference only U.S. Government activity |
| M3A1 | 5/1 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 8593635 | 5/9 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 8593635 | 3/1 Design control — primary reference Naval Surface Warfare Center Indian Head |
NSN 1377-00-628-5178 is a Catapult,aircraft Ejection Seat, classified under FSC 1377, Cartridge and Propellant Actuated Devices and Components. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 1377-00-628-5181, 6625-01-035-6338, 2350-01-179-1028. Verify interchangeability with system specifications before substitution.
Key specifications for 1377-00-628-5178: Actuation Method: CARTRIDGE; Net Explosive Weight: 0.45 STORAGE POUNDS AND 0.45 TRANSPORTATION POUNDS; Dot Proper Shipping Name: CARTRIDGES, POWER DEVICE; Actuator Model Number: M36. 16 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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 1377-00-628-5178 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.