The Lamp,flashtube, cataloged under National Stock Number 6240-00-431-4372, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-00-431-4372 |
| Item Name | Lamp,flashtube |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Status | ACTIVE |
| Input Rating in Watt-Seconds | 5.0 |
| Flashtube Style | LINEAR WITH OUTER BULB |
| Flashtube Overall Length | 1.062 INCHES NOMINAL IN |
| Maximum Flashing Rate Per Second | 500 |
| Terminal Type and Quantity | 9 PIN |
| Voltage Rating | 1000.000 VOLTS NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 704142 | 5/9 Secondary reference U.S. Government activity |
| 704142-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| FX101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6240-00-431-4372 is a Lamp,flashtube, classified under FSC 6240, Electric Lamps. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-01-378-6864. Verify interchangeability with system specifications before substitution.
Key specifications for 6240-00-431-4372: Input Rating in Watt-Seconds: 5.0; Flashtube Style: LINEAR WITH OUTER BULB; Flashtube Overall Length: 1.062 INCHES NOMINAL IN; Maximum Flashing Rate Per Second: 500. 6 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.