The Lamp,incandescent, cataloged under National Stock Number 6240-01-348-8974, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-348-8974 |
| Primary Part Number | CM2185 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron |
| Status | ACTIVE |
| Filament Designation | C-2F |
| Base Style | WIRE LEADS, DOWN |
| Bulb Designator | T-1 3/4 |
| Bulb Style | T (TUBULAR) |
| Current Rating for Which Designed | 0.040 AMPERES NOMINAL |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| 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 |
|---|---|
| 91717041 | Thales Sa (FRA) |
| WE06.28.0401 | Uptolight (FRA) |
| CM2185 PRIMARY | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
NSN 6240-01-348-8974 is a Lamp,incandescent, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-348-8974 has 3 manufacturer part numbers on file: 91717041 (Thales Sa), WE06.28.0401 (Uptolight), CM2185 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron).
Key specifications for CM2185: Filament Designation: C-2F; Base Style: WIRE LEADS, DOWN; Bulb Designator: T-1 3/4; Overall Length: 0.520 INCHES NOMINAL IN. 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.