The Lamp,mercury Vapor, cataloged under National Stock Number 6240-01-121-0002, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Hanovia Specialty Lighting Llc. Government technical data includes 12 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. 3 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 | 6240-01-121-0002 |
| Primary Part Number | L5015-100 |
| Item Name | Lamp,mercury Vapor |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Hanovia Specialty Lighting Llc |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Base Style | FLEXIBLE WIRE LEADS |
| Rated Average Life | NOT RATED |
| Bulb Designator | BT-23/8 |
| Burning Position | VERTICAL |
| Wire Lead Length | 12.000 INCHES NOMINAL IN |
| Wattage Rating | 2500.000 WATTS |
| Emitted Light Characteristic | WHITE |
| Light Output Rating | 40.000 CANDLEPOWER PER SQUARE MILLIMETER NOMINAL SINGLE RATING |
| Bulb Style | BT (BULGED TUBULAR) |
| Light Intensity Distribution Feature | REFLECTIVE BOWL |
| Voltage Rating | 55.000 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 |
NSN 6240-01-121-0002 is a Lamp,mercury Vapor, manufactured by Hanovia Specialty Lighting Llc, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-121-0002 has 2 manufacturer part numbers on file: L5015-100 (Hanovia Specialty Lighting Llc), 8509 (Carlisle & Finch Co).
3 possible matches (shared part number, not a government interchangeability claim): 5340-01-162-7051, 5365-01-185-3504, 5355-01-361-8850. Verify interchangeability with system specifications before substitution.
Key specifications for L5015-100: Bulb Light Transmission Characteristic: TRANSPARENT; Base Style: FLEXIBLE WIRE LEADS; Rated Average Life: NOT RATED; Bulb Designator: BT-23/8. 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.