The Lamp,incandescent, cataloged under National Stock Number 6240-00-660-8466, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch. Government technical data includes 14 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-00-660-8466 |
| Primary Part Number | 434 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Filament Designation | C-2F |
| Base Style | MIDGET GROOVED |
| Rated Average Life | HOURS |
| Bulb Designator | T-1 3/4 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 1.120 WATTS |
| Emitted Light Characteristic | RED |
| Light Output Rating | 0.340 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING |
| Light Center Length | 0.375 INCHES NOMINAL IN |
| Bulb Style | T (TUBULAR) |
| Current Rating for Which Designed | 0.040 AMPERES NOMINAL |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 4000.0 |
| 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 |
|---|---|
| 434 PRIMARY | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| 334SR | 5/9 Secondary reference Grimes Aerospace Company |
| L808A-2 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 334SR | 5/9 Secondary reference General Electric Co Miniature Lamp Products Dept Lighting Business Group |
| 334SR | 3/1 Design control — primary reference Lamp Industry for Use with Industry Designations and Abbreviations for Lamps |
| 334SR | C/1 Advisory reference — outside the item-of-supply concept Slocomb F F Corp |
| 334SR | C/1 Advisory reference — outside the item-of-supply concept General Electric Company Dba Ge |
NSN 6240-00-660-8466 is a Lamp,incandescent, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-660-8466 has 1 manufacturer part number on file: 434 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).
Key specifications for 434: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: C-2F; Base Style: MIDGET GROOVED; Rated Average Life: HOURS. 14 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.