The Lamp,incandescent, cataloged under National Stock Number 6240-00-007-8538, 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 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-00-007-8538 |
| Primary Part Number | 7155AS15 |
| 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-6 |
| Base Style | FLEXIBLE WIRE LEADS |
| Rated Average Life | HOURS |
| Bulb Designator | T-3/4 |
| Wire Lead Length | 1.250 INCHES MINIMUM IN |
| Features Provided | PREAGED LAMP |
| Filament Heavy Duty Service Rating | NOT RATED |
| Specification/standard Data | 08108-7155AS15 MANUFACTURERS STANDARD |
| Wattage Rating | 0.575 WATTS |
| Emitted Light Characteristic | WHITE |
| Light Output Rating | 0.150 BEAM CANDLEPOWER NOMINAL SINGLE RATING |
| Bulb Style | T (TUBULAR) |
| Current Rating for Which Designed | 0.115 AMPERES NOMINAL |
| Voltage Rating | 5.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 40000.0 |
| 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 |
|---|---|
| 060-389 | Ampex Data Systems Corp Computer Products Div (USA) |
| 7155AS15 PRIMARY | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| Reference | Meaning |
|---|---|
| EFL305 | 5/2 Secondary reference U.S. Government activity |
| 7155AS15 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6240-00-007-8538 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 6240-00-007-8538 has 2 manufacturer part numbers on file: 060-389 (Ampex Data Systems Corp Computer Products Div), 7155AS15 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps).
1 possible match (shared part number, not a government interchangeability claim): 6545-01-540-6720. Verify interchangeability with system specifications before substitution.
Key specifications for 7155AS15: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: C-6; Base Style: FLEXIBLE WIRE LEADS; Rated Average Life: HOURS. 16 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.