The Rocket Motor, cataloged under National Stock Number 1337-01-128-3945, is classified within Federal Supply Class 1337 (Guided Missile and Space Vehicle Explosive Propulsion Units, Solid Fuel; and Components) of the Ammunition and Explosives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1337-01-128-3945 |
| Item Name | Rocket Motor |
| FSC / FSG | 1337 / 13 — Guided Missile and Space Vehicle Explosive Propulsion Units, Solid Fuel; and Components |
| Status | ACTIVE |
| Igniter Model Number | MK290 MOD 0 |
| Propellant Inhibitor | NOT INCLUDED |
| Model Number | MK58 MOD 4 |
| Net Explosive Weight | 133.376999 STORAGE POUNDS AND 133.376999 TRANSPORTATION POUNDS |
| Straight Section Outside Diameter | 8.000 INCHES NOMINAL IN |
| Dot Registration Code | EX1987110573 |
| Dod Ammunition Code | 1337-V523 |
| Igniter | INCLUDED |
| Hazardous Material Classification Code | 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Resonance Rod | NOT INCLUDED |
| Cable Assembly Connector Type | JACK PLUG |
| Cable Assembly Model Number | NOT ASSIGNED |
| Igniter Installation | 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 | No hazard code in the DLA record (HMIC N) 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1337-V523 | 6/9 Informative reference only U.S. Government activity |
| 1131AS130 | 3/1 Design control — primary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 1337-01-128-3945 is a Rocket Motor, classified under FSC 1337, Guided Missile and Space Vehicle Explosive Propulsion Units, Solid Fuel; and Components. Status: active.
Key specifications for 1337-01-128-3945: Igniter Model Number: MK290 MOD 0; Propellant Inhibitor: NOT INCLUDED; Model Number: MK58 MOD 4; Net Explosive Weight: 133.376999 STORAGE POUNDS AND 133.376999 TRANSPORTATION POUNDS. 14 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 1337-01-128-3945 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.