The Lamp,mercury Vapor, cataloged under National Stock Number 6240-01-005-2900, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-005-2900 |
| Primary Part Number | 2994568-2 |
| Item Name | Lamp,mercury Vapor |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Base Style | MINIATURE CAP CYLINDRICAL END |
| Rated Average Life | HOURS |
| Bulb Designator | BT-4 |
| Burning Position | VERTICAL ANODE DOWN |
| Wattage Rating | 200.000 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Light Output Rating | 10000.000 LUMENS NOMINAL SINGLE RATING |
| Bulb Style | BT (BULGED TUBULAR) |
| Voltage Rating | 57.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 700.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2994568-2 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 2994568-2 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| PEK-212-5600 | 5/9 Secondary reference Illumination Industries Inc |
| PEK212-5600 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 6240-01-005-2900 is a Lamp,mercury Vapor, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-005-2900 has 1 manufacturer part number on file: 2994568-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 2994568-2: Bulb Light Transmission Characteristic: TRANSPARENT; Base Style: MINIATURE CAP CYLINDRICAL END; Rated Average Life: HOURS; Bulb Designator: BT-4. 11 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.