The Flare,aircraft, cataloged under National Stock Number 1370-01-331-3485, is classified within Federal Supply Class 1370 (Pyrotechnics) of the Ammunition and Explosives group. The manufacturer of record is Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 1370-01-331-3485 |
| Primary Part Number | LT13659 |
| Item Name | Flare,aircraft |
| FSC / FSG | 1370 / 13 — Pyrotechnics |
| Manufacturer | Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory |
| Status | ACTIVE |
| Model Number | LUU-2B/B |
| Design Type | PARACHUTE |
| Overall Diameter | 4.870 INCHES NOMINAL IN |
| Bombardier Glare Shield | NOT INCLUDED |
| Criticality Code Justification | FEAT |
| Dot Registration Code | EX1988090328A |
| Dod Ammunition Code | 1370-L440 |
| Hazardous Material Classification Code | 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Unable to Decode | UNABLE TO DECODE |
| Color | WHITE |
| Suspension Band | NOT INCLUDED |
| Illuminant Burning Time | 180.0 SECONDS |
| Candlepower Intensity | 1600000.0 |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY QUANTITY UNIT PACKAGE |
| 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 | Y |
| Part Number | Manufacturer |
|---|---|
| LT13659 | Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory (USA) |
| Reference | Meaning |
|---|---|
| 8240946-10 | 3/1 Design control — primary reference U.S. Government activity |
| 1370-L440 | 6/9 Informative reference only U.S. Government activity |
| TWR-T50741 | 5/2 Secondary reference U.S. Government activity |
NSN 1370-01-331-3485 is a Flare,aircraft, manufactured by Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory, classified under FSC 1370, Pyrotechnics. Status: active.
NSN 1370-01-331-3485 has 1 manufacturer part number on file: LT13659 (Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory).
2 possible matches (shared part number, not a government interchangeability claim): 1370-01-483-2406, 1370-01-537-9031. Verify interchangeability with system specifications before substitution.
Key specifications for LT13659: Model Number: LUU-2B/B; Design Type: PARACHUTE; Overall Diameter: 4.870 INCHES NOMINAL IN; Bombardier Glare Shield: NOT INCLUDED. 14 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 1370-01-331-3485 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.