The Lamp,cartridge, cataloged under National Stock Number 6240-01-239-7499, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Littelfuse, Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-01-239-7499 |
| Primary Part Number | 900-168Z-031YN |
| Item Name | Lamp,cartridge |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| Cartridge Overall Diameter | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Lens Color | YELLOW |
| Base Style | CARTRIDGE TWO PIN POLARIZED |
| Lens Light Transmission Characteristic | TRANSPARENT |
| Rated Average Life | HOURS |
| Features Provided | FRESNEL LENS |
| Cartridge Style | SHORT CYLINDRICAL |
| Primary Lamp Type | LIGHT EMITTING DIODE |
| Forward Voltage Rating in Volts and Current Type | 10.000 DC |
| Material | PLASTIC LENS |
| Material | ALUMINUM SLEEVE |
| Cartridge Overall Length | 1.140 INCHES MAXIMUM IN |
| Average Life Rating in Hours | 100000.0 |
| 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 |
|---|---|
| 900-168Z-031YN PRIMARY | Littelfuse, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 507-4959-3333-5 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 507-4959-3333-500 | 3/2 Design control — primary reference U.S. Government activity |
| 292-2155-001 | 5/9 Secondary reference U.S. Government activity |
NSN 6240-01-239-7499 is a Lamp,cartridge, manufactured by Littelfuse, Inc., classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-239-7499 has 1 manufacturer part number on file: 900-168Z-031YN (Littelfuse, Inc.).
Key specifications for 900-168Z-031YN: Cartridge Overall Diameter: 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN; Lens Color: YELLOW; Base Style: CARTRIDGE TWO PIN POLARIZED; Lens Light Transmission Characteristic: TRANSPARENT. 13 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.