The Lamp,incandescent, cataloged under National Stock Number 6240-01-686-6711, 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 11 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 | 6240-01-686-6711 |
| Primary Part Number | W1121T |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Base Style | MINIATURE BAYONET |
| Rated Average Life | HOURS |
| Bulb Designator | T-3.25 |
| Wattage Rating | 2.6 WATTS |
| Emitted Light Characteristic | COLORLESS |
| Light Output Rating | 2.8 LUMENS MINIMUM AND 4.8 LUMENS MAXIMUM SINGLE RATING |
| Bulb Style | T (TUBULAR) |
| Current Rating for Which Designed | 18.0 MILLIAMPERES MINIMUM AND 22.0 MILLIAMPERES MAXIMUM |
| Voltage Rating | 130.0 VOLTS NOMINAL |
| Average Life Rating in Hours | 5000.0 |
| 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 |
|---|---|
| W1121T PRIMARY | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
NSN 6240-01-686-6711 is a Lamp,incandescent, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-686-6711 has 1 manufacturer part number on file: W1121T (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron).
Key specifications for W1121T: Bulb Light Transmission Characteristic: TRANSPARENT; Base Style: MINIATURE BAYONET; Rated Average Life: HOURS; Bulb Designator: T-3.25. 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.