The Lamp,incandescent, cataloged under National Stock Number 6240-01-138-6447, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-138-6447 |
| Primary Part Number | 001043-2102 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Filament Designation | C-6 |
| Base Style | WIRE LEADS, DOWN |
| Rated Average Life | NOT RATED |
| Bulb Designator | T-1 3/4 |
| Wire Lead Length | 3.000 INCHES NOMINAL IN |
| Filament Heavy Duty Service Rating | NOT RATED |
| Emitted Light Characteristic | WHITE |
| Bulb Style | T (TUBULAR) |
| Light Intensity Distribution Feature | PRISMATIC LENS |
| Terminal Type and Quantity | 2 SOLDERLESS LUG |
| 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 |
|---|---|
| 474 | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| 001043-2102 PRIMARY | Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA) |
NSN 6240-01-138-6447 is a Lamp,incandescent, manufactured by Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-138-6447 has 2 manufacturer part numbers on file: 474 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), 001043-2102 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc).
Key specifications for 001043-2102: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: C-6; Base Style: WIRE LEADS, DOWN; Rated Average Life: NOT RATED. 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.