The Rocket,high Explosive,2.75 Inch, cataloged under National Stock Number 1340-01-446-7380, is classified within Federal Supply Class 1340 (Rockets, Rocket Ammunition and Rocket Components) of the Ammunition and Explosives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 1340-01-446-7380 |
| Primary Part Number | 12977439 |
| Item Name | Rocket,high Explosive,2.75 Inch |
| FSC / FSG | 1340 / 13 — Rockets, Rocket Ammunition and Rocket Components |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Motor Size Designation | 2.75 INCH IN |
| Net Explosive Weight | 9.435914 STORAGE POUNDS AND 9.435914 TRANSPORTATION POUNDS |
| Motor Model Number | MK 66 MOD 4 |
| Nose Fuze Model Number | M423 |
| Dot Registration Code | EX2001050002 |
| Dod Ammunition Code | 1340-HA12 |
| Hazardous Material Classification Code | 1.1 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND E STORAGE COMPATIBILITY GROUP |
| Head Model Number | M151 |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 13058371-22 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 12977439 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 13058371-22 | 5/1 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 1340-HA12 | 6/9 Informative reference only U.S. Government activity |
NSN 1340-01-446-7380 is a Rocket,high Explosive,2.75 Inch, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1340, Rockets, Rocket Ammunition and Rocket Components. Status: active.
NSN 1340-01-446-7380 has 2 manufacturer part numbers on file: 13058371-22 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 12977439 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
2 possible matches (shared part number, not a government interchangeability claim): 1340-01-448-8889, 1340-01-599-4364. Verify interchangeability with system specifications before substitution.
Key specifications for 12977439: Motor Size Designation: 2.75 INCH IN; Net Explosive Weight: 9.435914 STORAGE POUNDS AND 9.435914 TRANSPORTATION POUNDS; Motor Model Number: MK 66 MOD 4; Nose Fuze Model Number: M423. 8 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 1340-01-446-7380 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.