The Lamp,mercury Vapor, cataloged under National Stock Number 6240-00-474-5809, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Rexham Graphics Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-00-474-5809 |
| Primary Part Number | 520081 |
| Item Name | Lamp,mercury Vapor |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Rexham Graphics Inc |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Base Style | WIRE LEADS, DOWN |
| Rated Average Life | NOT RATED |
| Bulb Designator | T-8 |
| Burning Position | HORIZONTAL |
| Wire Lead Length | 3.000 INCHES NOMINAL IN |
| Wattage Rating | 30000.000 WATTS |
| Emitted Light Characteristic | PURPLE |
| Light Center Length | 6.000 INCHES NOMINAL IN |
| Bulb Style | T (TUBULAR) |
| Terminal Type and Quantity | 2 SOLDER LUG |
| Voltage Rating | 350.000 VOLTS NOMINAL |
| 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 |
|---|---|
| 520081 PRIMARY | Rexham Graphics Inc (USA) |
| Reference | Meaning |
|---|---|
| MP3000T8/6R | 5/9 Secondary reference Gte Products Corp Lighting Products Group |
NSN 6240-00-474-5809 is a Lamp,mercury Vapor, manufactured by Rexham Graphics Inc, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-474-5809 has 1 manufacturer part number on file: 520081 (Rexham Graphics Inc).
Key specifications for 520081: Bulb Light Transmission Characteristic: TRANSLUCENT; Base Style: WIRE LEADS, DOWN; Rated Average Life: NOT RATED; Bulb Designator: T-8. 12 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.