The Lamp,fluorescent, cataloged under National Stock Number 6240-01-236-4423, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Duro-Test Lighting. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6240-01-236-4423 |
| Primary Part Number | 852713815 |
| Item Name | Lamp,fluorescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Duro-Test Lighting |
| Status | ACTIVE |
| Base Style | MEDIUM BIPIN (FLUORESCENT) |
| Rated Average Life | NOT RATED |
| Bulb Designator | T-12 |
| Wattage Rating | 40.000 WATTS |
| Starting Characteristic | INSTANT |
| Bulb Style | T (TUBULAR) |
| 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 |
|---|---|
| 852713815 PRIMARY | Duro-Test Lighting (USA) |
| Reference | Meaning |
|---|---|
| 3815 | 5/9 Secondary reference U.S. Government activity |
NSN 6240-01-236-4423 is a Lamp,fluorescent, manufactured by Duro-Test Lighting, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-236-4423 has 1 manufacturer part number on file: 852713815 (Duro-Test Lighting).
2 possible matches (shared part number, not a government interchangeability claim): 5915-01-293-2160, 3740-01-551-7061. Verify interchangeability with system specifications before substitution.
Key specifications for 852713815: Base Style: MEDIUM BIPIN (FLUORESCENT); Rated Average Life: NOT RATED; Bulb Designator: T-12; Overall Length: 48.000 INCHES NOMINAL IN. 6 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.