The Lamp,cartridge, cataloged under National Stock Number 6240-00-935-7010, 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-00-935-7010 |
| Primary Part Number | CM20-1 |
| Item Name | Lamp,cartridge |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron |
| Status | ACTIVE |
| Cartridge Overall Diameter | 0.330 INCHES MAXIMUM IN |
| Lens Color | RED |
| Base Style | CARTRIDGE TWO PIN POLARIZED |
| Lens Light Transmission Characteristic | TRANSLUCENT |
| Rated Average Life | HOURS |
| Cartridge Style | LONG STOVEPIPE |
| Primary Lamp Type | INCANDESCENT |
| Light Output Rating | 750.000 FOOTCANDLES NOMINAL SINGLE RATING |
| Material | PLASTIC LENS |
| Material | ALUMINUM SLEEVE |
| Current Rating for Which Designed | 0.350 AMPERES NOMINAL |
| Voltage Rating | 2.500 VOLTS NOMINAL |
| Cartridge Overall Length | 1.050 INCHES MAXIMUM IN |
| Average Life Rating in Hours | 10000.0 |
| 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 |
|---|---|
| CM20-1 PRIMARY | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
| LTX478TL | Lamptronix Co Ltd (USA) |
| Reference | Meaning |
|---|---|
| 14734305 | 5/9 Secondary reference U.S. Government activity |
| 189021-1 | 5/9 Secondary reference Raytheon Company |
| 855027 | C/1 Advisory reference — outside the item-of-supply concept The Bechdon Company, Llc |
| 499-020-041 | 5/9 Secondary reference L3harris Interstate Electronics Corporation |
| 855027 | C/1 Advisory reference — outside the item-of-supply concept L3 Aviation Products, Inc. Dba L3 Technologies |
| 3006193-00 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 3006192 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 6240-00-935-7010 is a Lamp,cartridge, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-935-7010 has 2 manufacturer part numbers on file: CM20-1 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), LTX478TL (Lamptronix Co Ltd).
5 possible matches (shared part number, not a government interchangeability claim): 5210-01-335-1621, 6220-01-346-5658, 5340-01-484-0781. Verify interchangeability with system specifications before substitution.
Key specifications for CM20-1: Cartridge Overall Diameter: 0.330 INCHES MAXIMUM IN; Lens Color: RED; Base Style: CARTRIDGE TWO PIN POLARIZED; Lens Light Transmission Characteristic: TRANSLUCENT. 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.