The Rocket,smoke,2.75 Inch, cataloged under National Stock Number 1340-01-603-7534, is classified within Federal Supply Class 1340 (Rockets, Rocket Ammunition and Rocket Components) of the Ammunition and Explosives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1340-01-603-7534 |
| Primary Part Number | 13677281 |
| Item Name | Rocket,smoke,2.75 Inch |
| FSC / FSG | 1340 / 13 — Rockets, Rocket Ammunition and Rocket Components |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Head Type | GENERAL PURPOSE |
| Model Number | MK66 MOD 4 |
| Motor Size Designation | 2.75 INCH IN |
| Motor Model Number | MK66 MOD 4 |
| Nose Fuze Model Number | M264 |
| Dod Ammunition Code | 1340-HA15 |
| Hazardous Material Classification Code | 1.2G INHABITED BUILDING DISTANCE AND 1.2 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND G STORAGE COMPATIBILITY GROUP G |
| Head to Motor Assembly | ASSEMBLED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) 1.2G INHABITED BUILDING DISTANCE AND 1.2 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND G STORAGE COMPATIBILITY GROUP |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 13677281 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 1340-HA15 | 6/9 Informative reference only U.S. Government activity |
NSN 1340-01-603-7534 is a Rocket,smoke,2.75 Inch, manufactured by Us Army Aviation and Missile Command, classified under FSC 1340, Rockets, Rocket Ammunition and Rocket Components. Status: active.
NSN 1340-01-603-7534 has 1 manufacturer part number on file: 13677281 (Us Army Aviation and Missile Command).
Key specifications for 13677281: Head Type: GENERAL PURPOSE; Model Number: MK66 MOD 4; Motor Size Designation: 2.75 INCH IN; Motor Model Number: MK66 MOD 4. 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 1340-01-603-7534 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.