The Cartridge Set,escape, cataloged under National Stock Number 1377-00-627-9256, is classified within Federal Supply Class 1377 (Cartridge and Propellant Actuated Devices and Components) of the Ammunition and Explosives group. The manufacturer of record is Martin-Baker Aircraft Company Limited. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1377-00-627-9256 |
| Primary Part Number | MBEU17801 |
| Item Name | Cartridge Set,escape |
| FSC / FSG | 1377 / 13 — Cartridge and Propellant Actuated Devices and Components |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| General Characteristics Item Description | C/O 1 MARTIN BAKER EJECTION SEAT MK 5 IMPULSE CARTRIDGE; 2 MARTIN BAKER EJECTION SEAT MK 5 SECONDARY CARTRIDGES; 1 MARTIN BAKER EJECTION SEAT MK 5 DROGUE IMPULSE CARTRIDGE |
| Net Explosive Weight | 0.2535 STORAGE POUNDS AND 0.2535 TRANSPORTATION POUNDS |
| Dot Proper Shipping Name | CARTRIDGES, POWER DEVICE |
| Dot Identification Number | UN0275 |
| Dot Registration Code | EX1988050809 |
| Hazardous Material Classification Code | 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) UN ID UN0275 · 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION · ships as CARTRIDGES, POWER DEVICE |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4MK2 | Martin-Baker Aircraft Company Limited (GBR) |
| MBEU17801 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
| Reference | Meaning |
|---|---|
| 1669360 | 5/1 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 1669361 | 5/1 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 1377-M398 | 6/9 Informative reference only U.S. Government activity |
| 1669362 | 5/1 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 1377-00-627-9256 is a Cartridge Set,escape, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 1377, Cartridge and Propellant Actuated Devices and Components. Status: active.
NSN 1377-00-627-9256 has 2 manufacturer part numbers on file: 4MK2 (Martin-Baker Aircraft Company Limited), MBEU17801 (Martin-Baker Aircraft Company Limited).
1 possible match (shared part number, not a government interchangeability claim): 1377-00-960-0453. Verify interchangeability with system specifications before substitution.
Key specifications for MBEU17801: General Characteristics Item Description: C/O 1 MARTIN BAKER EJECTION SEAT MK 5 IMPULSE CARTRIDGE; 2 MARTIN BAKER EJECTION SEAT MK 5 SECONDARY CARTRIDGES; 1 MARTIN BAKER EJECTION SEAT MK 5 DROGUE IMPULSE CARTRIDGE; Net Explosive Weight: 0.2535 STORAGE POUNDS AND 0.2535 TRANSPORTATION POUNDS; Dot Proper Shipping Name: CARTRIDGES, POWER DEVICE; Dot Identification Number: UN0275. 6 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 1377-00-627-9256 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.