The Rocket Motor, cataloged under National Stock Number 1377-00-883-8991, is classified within Federal Supply Class 1377 (Cartridge and Propellant Actuated Devices and Components) of the Ammunition and Explosives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1377-00-883-8991 |
| Item Name | Rocket Motor |
| FSC / FSG | 1377 / 13 — Cartridge and Propellant Actuated Devices and Components |
| Status | ACTIVE |
| Igniter Model Number | MK 146 MOD 0 |
| Propellant Inhibitor | NOT INCLUDED |
| Nominal Burning Time in Seconds | 0.12 |
| Model Number | MK 51 MOD 0 |
| Motor Propellant Material | MFRS SECRET |
| Motor Propellant Grain Weight | 7.0 POUNDS LBS |
| Dot Registration Code | EX1988050875 |
| Dod Ammunition Code | 1377-M436 |
| Igniter | INCLUDED |
| Hazardous Material Classification Code | 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Unable to Decode | UNABLE TO DECODE |
| Resonance Rod | INCLUDED |
| Propellant Accommodation Type | SOLID |
| Specific Usage Design | F-4 AIRCRAFT |
| Nozzle Cant Angle in Deg | 20.00 |
| Gross Weight | 42.0 SHIPPING CONTAINER POUNDS |
| Igniter Installation | NOT INSTALLED |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY UNIT PACKAGE QUANTITY,UNIT PACKAGE TYPE,PACKAGE MODEL NUMBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | Hazardous per DLA record (HMIC Y) 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MBEU1850 | 5/1 Secondary reference Martin-Baker Aircraft Company Limited |
| 1377-M436 | 6/9 Informative reference only U.S. Government activity |
| 2434800 | 3/1 Design control — primary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| MBEU1850RU | 5/1 Secondary reference Martin-Baker Aircraft Company Limited |
NSN 1377-00-883-8991 is a Rocket Motor, classified under FSC 1377, Cartridge and Propellant Actuated Devices and Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1377-01-003-6616. Verify interchangeability with system specifications before substitution.
Key specifications for 1377-00-883-8991: Igniter Model Number: MK 146 MOD 0; Propellant Inhibitor: NOT INCLUDED; Nominal Burning Time in Seconds: 0.12; Model Number: MK 51 MOD 0. 18 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 1377-00-883-8991 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.