The Lamp,incandescent, cataloged under National Stock Number 6240-01-466-4227, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Ushio America, Inc Dba Ushio America Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-466-4227 |
| Primary Part Number | DCA |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Ushio America, Inc Dba Ushio America Inc |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Base Style | BA21S-3 (120*) |
| Bulb Diameter | 1.500 INCHES NOMINAL IN |
| Bulb Designator | T-12 |
| Burning Position | BASE DOWN OR HORIZONTAL |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 150.000 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Light Center Length | 1.547 INCHES MINIMUM AND 1.577 INCHES MAXIMUM IN |
| Bulb Style | T (TUBULAR) |
| Color Temp in Deg Kelvin | 3250.0 |
| Light Intensity Distribution Feature | OPAQUE END |
| Voltage Rating | 21.000 VOLTS MINIMUM AND 21.500 VOLTS MAXIMUM |
| 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 |
|---|---|
| DCA PRIMARY | Ushio America, Inc Dba Ushio America Inc (USA) |
| Reference | Meaning |
|---|---|
| DCA | 5/2 Secondary reference U.S. Government activity |
| DCA | 5/9 Secondary reference General Electric Company |
| DCA21 | 5/9 Secondary reference General Electric Company |
| DCA | 5/9 Secondary reference Ushio Electric Co. Ltd |
| NGX17649-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6240-01-466-4227 is a Lamp,incandescent, manufactured by Ushio America, Inc Dba Ushio America Inc, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-466-4227 has 1 manufacturer part number on file: DCA (Ushio America, Inc Dba Ushio America Inc).
Key specifications for DCA: Bulb Light Transmission Characteristic: TRANSLUCENT; Base Style: BA21S-3 (120*); Bulb Diameter: 1.500 INCHES NOMINAL IN; Bulb Designator: T-12. 13 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.