The Lamp,incandescent, cataloged under National Stock Number 6240-01-557-7463, 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 14 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 | 6240-01-557-7463 |
| Primary Part Number | CM1864 |
| 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 | TRANSLUCENT |
| Filament Designation | C-2F |
| Base Style | MINIATURE BAYONET |
| Rated Average Life | HOURS |
| Bulb Diameter | 0.406 INCHES MAXIMUM IN |
| Bulb Designator | T-3 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Emitted Light Characteristic | WHITE, TRANSLUCENT |
| Light Output Rating | 3.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING |
| Bulb Style | B (ARBITRARY DESIGNATION) |
| Terminal Type and Quantity | 1 SOLDERLESS LUG |
| Current Rating for Which Designed | 0.170 AMPERES NOMINAL |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 1500.0 |
| 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 |
|---|---|
| CM1864 PRIMARY | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
| 6390952-01 FIND 38 | Naval Sea Systems Command (USA) |
NSN 6240-01-557-7463 is a Lamp,incandescent, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-557-7463 has 2 manufacturer part numbers on file: CM1864 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 6390952-01 FIND 38 (Naval Sea Systems Command).
Key specifications for CM1864: Bulb Light Transmission Characteristic: TRANSLUCENT; Filament Designation: C-2F; Base Style: MINIATURE BAYONET; 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.