The Catapult,aircraft Ejection Seat, cataloged under National Stock Number 1377-01-340-3042, 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 Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1377-01-340-3042 |
| Primary Part Number | 10595-1 |
| Item Name | Catapult,aircraft Ejection Seat |
| FSC / FSG | 1377 / 13 — Cartridge and Propellant Actuated Devices and Components |
| Manufacturer | Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc |
| Status | ACTIVE |
| Actuation Method | CARTRIDGE |
| Net Explosive Weight | 0.2488 STORAGE POUNDS AND 0.2488 TRANSPORTATION POUNDS |
| Dot Proper Shipping Name | CARTRIDGES, POWER DEVICE |
| Criticality Code Justification | EXWT |
| Dot Identification Number | UN0276 |
| Dot Registration Code | EX1992090125 |
| Training Usage Feature | NOT INCLUDED |
| Dod Ammunition Code | 1377-MU09 |
| Actuator | NOT INCLUDED |
| Dot Hazard Class/division | 1.4 |
| Hazardous Material Classification Code | 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Dot Warning Label Code | 1.4C |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) 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 |
| Part Number | Manufacturer |
|---|---|
| 10595-1 PRIMARY | Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 1377-MU09 | 6/9 Informative reference only U.S. Government activity |
NSN 1377-01-340-3042 is a Catapult,aircraft Ejection Seat, manufactured by Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc, classified under FSC 1377, Cartridge and Propellant Actuated Devices and Components. Status: active.
NSN 1377-01-340-3042 has 1 manufacturer part number on file: 10595-1 (Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-546-1896. Verify interchangeability with system specifications before substitution.
Key specifications for 10595-1: Actuation Method: CARTRIDGE; Net Explosive Weight: 0.2488 STORAGE POUNDS AND 0.2488 TRANSPORTATION POUNDS; Dot Proper Shipping Name: CARTRIDGES, POWER DEVICE; Criticality Code Justification: EXWT. 12 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 1377-01-340-3042 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.