The Rocket,high Explosive,3.5 Inch, cataloged under National Stock Number 1340-00-491-3758, is classified within Federal Supply Class 1340 (Rockets, Rocket Ammunition and Rocket Components) of the Ammunition and Explosives group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 1340-00-491-3758 |
| Item Name | Rocket,high Explosive,3.5 Inch |
| FSC / FSG | 1340 / 13 — Rockets, Rocket Ammunition and Rocket Components |
| Status | ACTIVE |
| Head Type | ARMOR PIERCING |
| Model Number | M28A2 |
| Motor Propellant Material | SMOKELESS POWDER |
| Motor Propellant Grain Weight | 0.36 POUNDS LBS |
| Motor Size Designation | 2.5 INCH IN |
| Base Fuze | INCLUDED |
| Net Explosive Weight | 0.621 STORAGE POUNDS AND 0.621 TRANSPORTATION POUNDS |
| Head Load Type | EXPLOSIVE |
| Base Fuze Model Number | M404A2 |
| Motor Model Number | M7 |
| Dot Registration Code | EX1988030810 |
| Cable Assembly | NOT INCLUDED |
| Filler Material | COMPOSITION B |
| Dod Ammunition Code | 1340-H600 |
| Supplementary Charge | NOT INCLUDED |
| Filler Material Weight | 1.88 POUNDS LBS |
| Hazardous Material Classification Code | 1.1 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND E STORAGE COMPATIBILITY GROUP |
| Nose Fuze | NOT INCLUDED |
| Head to Motor Assembly | ASSEMBLED |
| Material | STEEL HEAD |
| Motor Propellant Grain Quantity | 12 |
| Expendable Launcher | NOT PROVIDED |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY UNIT PACKAGE QUANTITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) 1.1 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND E STORAGE COMPATIBILITY GROUP |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| 82-6-22 | 3/1 Design control — primary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament |
| 1340-H600 | 6/9 Informative reference only U.S. Government activity |
NSN 1340-00-491-3758 is a Rocket,high Explosive,3.5 Inch, classified under FSC 1340, Rockets, Rocket Ammunition and Rocket Components. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5999-00-501-9410, 5340-01-464-1511, 6140-01-679-5778. Verify interchangeability with system specifications before substitution.
Key specifications for 1340-00-491-3758: Head Type: ARMOR PIERCING; Model Number: M28A2; Motor Propellant Material: SMOKELESS POWDER; Motor Propellant Grain Weight: 0.36 POUNDS LBS. 23 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 1340-00-491-3758 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.