The Lamp,incandescent, cataloged under National Stock Number 6240-01-610-0789, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Federal Aviation Administration Specifications Promulgated by Federal Aviation Administration Aeronautical Center. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-610-0789 |
| Primary Part Number | 4T-4.5 C-1 1/2 130V |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Federal Aviation Administration Specifications Promulgated by Federal Aviation Administration Aeronautical Center |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Filament Designation | C-7A A |
| Overall Diameter | 0.5625 INCHES MAXIMUM IN |
| Base Style | MINIATURE BAYONET |
| Rated Average Life | HOURS |
| Bulb Designator | T-4 1/2 |
| Wattage Rating | 4.000 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Bulb Style | T (TUBULAR) |
| Current Rating for Which Designed | 0.03 AMPERES NOMINAL |
| Voltage Rating | 130.00 VOLTS NOMINAL |
| Average Life Rating in Hours | 2000.0 |
| 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 |
|---|---|
| 4T-4.5 C-1 1/2 130V | Federal Aviation Administration Specifications Promulgated by Federal Aviation Administration Aeronautical Center (USA) |
NSN 6240-01-610-0789 is a Lamp,incandescent, manufactured by Federal Aviation Administration Specifications Promulgated by Federal Aviation Administration Aeronautical Center, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-610-0789 has 1 manufacturer part number on file: 4T-4.5 C-1 1/2 130V (Federal Aviation Administration Specifications Promulgated by Federal Aviation Administration Aeronautical Center).
Key specifications for 4T-4.5 C-1 1/2 130V: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: C-7A A; Overall Diameter: 0.5625 INCHES MAXIMUM IN; Base Style: MINIATURE BAYONET. 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.