The Lamp,cartridge, cataloged under National Stock Number 6240-00-974-3556, 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 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-00-974-3556 |
| Primary Part Number | CML810225 |
| Item Name | Lamp,cartridge |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron |
| Status | ACTIVE |
| Cartridge Overall Diameter | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Filling Gas Type | NEON |
| Lens Color | WHITE |
| Base Style | CARTRIDGE TWO PIN POLARIZED |
| Lens Light Transmission Characteristic | TRANSLUCENT |
| Rated Average Life | HOURS |
| Light Intensity Level | HIGH |
| Gas Striking Voltage Rating in Volts and Current Type | 95.0 AC NOMINAL FIRST VOLTAGE |
| Gas Striking Voltage Rating in Volts and Current Type | 135.0 DC NOMINAL SECOND VOLTAGE |
| Cartridge Style | LONG CYLINDRICAL |
| Primary Lamp Type | GLOW |
| Wattage Rating | 0.250 WATTS |
| Material | PLASTIC LENS |
| Material | ALUMINUM SLEEVE |
| Cartridge Overall Length | 1.328 INCHES MAXIMUM IN |
| Average Life Rating in Hours | 25000.0 |
| 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 |
|---|---|
| CML810225 | Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA) |
| 9900-151X-042WN | Littelfuse, Inc. (USA) |
| 900-151X-042WN | Littelfuse, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 38H1535 | 5/9 Secondary reference U.S. Government activity |
| 4-803WHITE | 5/9 Secondary reference Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron |
| CG04-CCS-N120 | 5/9 Secondary reference Spectrum Control, Inc. Div Api Technologies - Eis/wesson |
| 507-3836-1535-600 | 3/2 Design control — primary reference U.S. Government activity |
| CG04-CCS-N120 | 5/9 Secondary reference Genisco Filter Corp |
NSN 6240-00-974-3556 is a Lamp,cartridge, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-974-3556 has 3 manufacturer part numbers on file: CML810225 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 9900-151X-042WN (Littelfuse, Inc.), 900-151X-042WN (Littelfuse, Inc.).
Key specifications for CML810225: Cartridge Overall Diameter: 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN; Filling Gas Type: NEON; Lens Color: WHITE; Base Style: CARTRIDGE TWO PIN POLARIZED. 16 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.