The Lamp,cartridge, cataloged under National Stock Number 6240-01-257-7014, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Wamco, Inc. Dba Wamco Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-257-7014 |
| Primary Part Number | ML-7839-100 |
| Item Name | Lamp,cartridge |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Wamco, Inc. Dba Wamco Inc |
| Status | ACTIVE |
| Cartridge Overall Diameter | 3.810 INCHES MAXIMUM IN |
| Base Style | G19 (B1-PIN) |
| Rated Average Life | HOURS |
| Light Intensity Level | STANDARD |
| Precious Material | GOLD |
| Cartridge Style | SHORT STOVEPIPE |
| Primary Lamp Type | INCANDESCENT |
| Light Output Rating | 0.150 SPHERICAL CANDLEPOWER NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Precious Material and Location | PIN PLATING GOLD |
| Current Rating for Which Designed | 0.024 AMPERES NOMINAL |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Cartridge Overall Length | 9.150 INCHES MAXIMUM IN |
| Average Life Rating in Hours | 16000.0 |
| 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 |
|---|---|
| ML-7839-100 PRIMARY | Wamco, Inc. Dba Wamco Inc (USA) |
| 7839-100 | Norman Lamps Inc (USA) |
| ML-7839-100 | Micro Lamps Inc. (USA) |
| Reference | Meaning |
|---|---|
| OL6839BPE-GPL | 5/9 Secondary reference Wamco, Inc. Dba Wamco Inc |
| WL-6839BPEGPL | 5/1 Secondary reference Wamco, Inc. Dba Wamco Inc |
NSN 6240-01-257-7014 is a Lamp,cartridge, manufactured by Wamco, Inc. Dba Wamco Inc, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-257-7014 has 3 manufacturer part numbers on file: ML-7839-100 (Wamco, Inc. Dba Wamco Inc), 7839-100 (Norman Lamps Inc), ML-7839-100 (Micro Lamps Inc.).
Key specifications for ML-7839-100: Cartridge Overall Diameter: 3.810 INCHES MAXIMUM IN; Base Style: G19 (B1-PIN); Rated Average Life: HOURS; Light Intensity Level: STANDARD. 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.