The Lamp,fluorescent, cataloged under National Stock Number 6240-01-352-0439, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is General Electric Company Dba Ge. Government technical data includes 9 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-352-0439 |
| Primary Part Number | F18DBXT4/SPX35 |
| Item Name | Lamp,fluorescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | General Electric Company Dba Ge |
| Status | ACTIVE |
| Base Style | 2-PIN |
| Rated Average Life | HOURS |
| Bulb Designator | T-4 |
| Wattage Rating | 18.000 WATTS |
| Emitted Light Characteristic | WHITE |
| Starting Characteristic | PREHEAT |
| Bulb Style | IT (TWIN TUBULAR) |
| Environmental Attribute Code | COMPACT FLUORESCENT LAMP (CFL) LIGHT BULBS - ENERGY STAR-LIGHTING - ENERGY EFFICIENT PRODUCTS |
| Average Life Rating in Hours | 10000.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| F18DBXT4/SPX35 | General Electric Company Dba Ge (USA) |
| 18565 | General Electric Company Dba Ge (USA) |
| Reference | Meaning |
|---|---|
| F16DTT/D835 | 5/9 Secondary reference Osram Sylvania Inc. |
| QT18/35 | 5/9 Secondary reference Eiko, Ltd. Div Eiko Global, Llc |
| F18DTT/D835 | 5/9 Secondary reference U.S. Government activity |
| DULUX D 18W/35K | 5/9 Secondary reference Osram Corp Div of Siemens Corp |
| CF18DD/835 | 3/9 Design control — primary reference Osram Sylvania Inc. |
NSN 6240-01-352-0439 is a Lamp,fluorescent, manufactured by General Electric Company Dba Ge, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-352-0439 has 2 manufacturer part numbers on file: F18DBXT4/SPX35 (General Electric Company Dba Ge), 18565 (General Electric Company Dba Ge).
Key specifications for F18DBXT4/SPX35: Base Style: 2-PIN; Rated Average Life: HOURS; Bulb Designator: T-4; Overall Length: 6.906 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.