The Lamp,incandescent, cataloged under National Stock Number 6240-00-756-5149, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Lamp Industry for Use with Industry Designations and Abbreviations for Lamps. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-00-756-5149 |
| Primary Part Number | DAY |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Filament Designation | C-13D |
| Base Style | FOUR PIN INDEXING |
| Rated Average Life | HOURS |
| Bulb Designator | T-10 |
| Burning Position | BASE DOWN |
| Features Provided | HEAT RESISTANT GLASS |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 500.000 WATTS |
| Emitted Light Characteristic | WHITE |
| Light Output Rating | 13000.000 LUMENS NOMINAL SINGLE RATING |
| Light Center Length | 1.750 INCHES NOMINAL IN |
| Bulb Style | T (TUBULAR) |
| Color Temp in Deg Kelvin | 3200.0 |
| Light Intensity Distribution Feature | OPAQUE END |
| Current Rating for Which Designed | 4.167 AMPERES NOMINAL |
| Voltage Rating | 120.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 30.0 |
| 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 |
|---|---|
| DAY | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| 500T10TFH | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| Reference | Meaning |
|---|---|
| DAY | 3/2 Design control — primary reference U.S. Government activity |
NSN 6240-00-756-5149 is a Lamp,incandescent, manufactured by Lamp Industry for Use with Industry Designations and Abbreviations for Lamps, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-756-5149 has 2 manufacturer part numbers on file: DAY (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 500T10TFH (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps).
Key specifications for DAY: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: C-13D; Base Style: FOUR PIN INDEXING; Rated Average Life: HOURS. 18 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.