The Lamp,incandescent, cataloged under National Stock Number 6240-01-443-9688, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Safran Electronics & Defense, Avionics Usa, Llc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6240-01-443-9688 |
| Primary Part Number | 10EJ3 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Safran Electronics & Defense, Avionics Usa, Llc |
| Status | ACTIVE |
| Rated Average Life | HOURS |
| Bulb Designator | T-1 3/4 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Current Rating for Which Designed | 0.040 AMPERES NOMINAL |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 1000.0 |
| 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 |
|---|---|
| 347-12823 | Rolls-Royce Canada Limited Div Rolls-Royce Canada Limited (CAN) |
| 10EJ3 PRIMARY | Safran Electronics & Defense, Avionics Usa, Llc (USA) |
| 347-12823 | L3harris Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10EJ3 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6240-01-443-9688 is a Lamp,incandescent, manufactured by Safran Electronics & Defense, Avionics Usa, Llc, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-443-9688 has 3 manufacturer part numbers on file: 347-12823 (Rolls-Royce Canada Limited Div Rolls-Royce Canada Limited), 10EJ3 (Safran Electronics & Defense, Avionics Usa, Llc), 347-12823 (L3harris Technologies, Inc.).
Key specifications for 10EJ3: Rated Average Life: HOURS; Bulb Designator: T-1 3/4; Overall Length: 0.625 INCHES MAXIMUM IN; Filament Heavy Duty Service Rating: NOT RATED. 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.