The Rocket Motor, cataloged under National Stock Number 1377-01-137-6052, 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 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 1377-01-137-6052 |
| Primary Part Number | 50579-7 |
| Item Name | Rocket Motor |
| FSC / FSG | 1377 / 13 — Cartridge and Propellant Actuated Devices and Components |
| Manufacturer | Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc |
| Status | ACTIVE |
| Specific Launcher for Which Designed | AIRCRAFT EJECTION SEAT,A-37/B |
| Net Explosive Weight | 2.71 STORAGE POUNDS AND 2.71 TRANSPORTATION POUNDS |
| Straight Section Outside Diameter | 2.470 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Dot Registration Code | EX1988080733 |
| Dod Ammunition Code | 1377-MG43 |
| Igniter | INCLUDED |
| Dot Hazard Class/division | 1.3 |
| Hazardous Material Classification Code | 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Resonance Rod | NOT INCLUDED |
| Igniter Installation | INSTALLED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | Hazardous per DLA record (HMIC Y) DOT hazard class/division 1.3 · 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 50579-7 PRIMARY | Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 1377-MG43 | 6/9 Informative reference only U.S. Government activity |
| 50579-1 | 5/9 Secondary reference Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc |
NSN 1377-01-137-6052 is a Rocket Motor, 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 1377-01-137-6052 has 1 manufacturer part number on file: 50579-7 (Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc).
2 possible matches (shared part number, not a government interchangeability claim): 2995-01-357-1677, 5331-01-525-5589. Verify interchangeability with system specifications before substitution.
Key specifications for 50579-7: Specific Launcher for Which Designed: AIRCRAFT EJECTION SEAT,A-37/B; Net Explosive Weight: 2.71 STORAGE POUNDS AND 2.71 TRANSPORTATION POUNDS; Straight Section Outside Diameter: 2.470 INCHES NOMINAL IN; Criticality Code Justification: FEAT. 11 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 1377-01-137-6052 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.