The Lamp,incandescent, cataloged under National Stock Number 6240-00-012-8155, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is General Electric Company. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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 | 6240-00-012-8155 |
| Primary Part Number | 2520L |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Filament Designation | 2C-2V V |
| Base Style | DOUBLE CONTACT CANDELABRA PREFOCUS |
| Rated Average Life | NOT RATED |
| Bulb Designator | RP-11 |
| Burning Position | BASE UP TO HORIZONTAL |
| Filament Heavy Duty Service Rating | NOT RATED |
| Emitted Light Characteristic | WHITE |
| Light Output Rating | 50.200 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING |
| Bulb Style | RP (ARBITRARY DESIGNATION) |
| Average Life Rating in Hours | 400.0 |
| 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 |
|---|---|
| 2520L | General Electric Company (USA) |
| 2520L | Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| 128155 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| 53000 | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| N18734M | 5/9 Secondary reference Diamond Reo Truck Co |
| 2520L | 5/9 Secondary reference General Electric Co Lamp Division of Consumer Products Group |
| 128155 | 3/9 Design control — primary reference General Motors Corp |
| 128155 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 87432 | 5/9 Secondary reference Concord Instruments Corp |
| 403213 | 5/9 Secondary reference White Motor Corp |
NSN 6240-00-012-8155 is a Lamp,incandescent, manufactured by General Electric Company, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-012-8155 has 4 manufacturer part numbers on file: 2520L (General Electric Company), 2520L (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 128155 (Chrysler Realty Company Llc Dba Daimler Chrysler), 53000 (Am General Llc).
9 possible matches (shared part number, not a government interchangeability claim): 3805-00-071-2661, 5905-00-110-5153, 6350-00-273-9803. Verify interchangeability with system specifications before substitution.
Key specifications for 2520L: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: 2C-2V V; Base Style: DOUBLE CONTACT CANDELABRA PREFOCUS; Rated Average Life: NOT RATED. 11 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.