The Lamp,light Emitting Diode, cataloged under National Stock Number 6240-01-650-2640, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-650-2640 |
| Item Name | Lamp,light Emitting Diode |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSLUCENT |
| Base Style | WIRE LEADS, DOWN |
| Rated Average Life | NOT RATED |
| Bulb Designator | 558 SERIES |
| Burning Position | BASE DOWN |
| Wire Lead Length | 6.0 INCHES NOMINAL IN |
| Wattage Rating | 0.012 WATTS |
| Emitted Light Characteristic | RED |
| Light Output Rating | 29.0 CANDLEPOWER PER SQUARE MILLIMETER NOMINAL SINGLE RATING |
| Bulb Style | GTL (GLOBULAR, TUBULAR, LENS END) |
| Voltage Rating | 5.0 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 |
| Reference | Meaning |
|---|---|
| 5580101003F | 3/2 Design control — primary reference U.S. Government activity |
NSN 6240-01-650-2640 is a Lamp,light Emitting Diode, classified under FSC 6240, Electric Lamps. Status: active.
Key specifications for 6240-01-650-2640: Bulb Light Transmission Characteristic: TRANSLUCENT; Base Style: WIRE LEADS, DOWN; Rated Average Life: NOT RATED; Bulb Designator: 558 SERIES. 11 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.