The Lamp,cartridge, cataloged under National Stock Number 6240-01-437-4121, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-437-4121 |
| Item Name | Lamp,cartridge |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Status | ACTIVE |
| Lens Color | BLUE |
| Lens Light Transmission Characteristic | TRANSLUCENT |
| Gas Striking Voltage Rating in Volts and Current Type | 28.0 DC NOMINAL SINGLE VOLTAGE |
| Primary Lamp Type | GLOW |
| Material | ALUMINUM SLEEVE |
| 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 |
|---|---|
| 74F1BL33112 | 5/2 Secondary reference U.S. Government activity |
| BACL15MB33112 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6240-01-437-4121 is a Lamp,cartridge, classified under FSC 6240, Electric Lamps. Status: active.
Key specifications for 6240-01-437-4121: Lens Color: BLUE; Lens Light Transmission Characteristic: TRANSLUCENT; Gas Striking Voltage Rating in Volts and Current Type: 28.0 DC NOMINAL SINGLE VOLTAGE; Primary Lamp Type: GLOW. 5 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.