The Lamp,incandescent, cataloged under National Stock Number 6240-00-398-0740, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Schenck Usa Corp. Dba Schenck Usa Corp. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6240-00-398-0740 |
| Primary Part Number | 3211-510 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Schenck Usa Corp. Dba Schenck Usa Corp |
| Status | ACTIVE |
| Bulb Light Transmission Characteristic | TRANSPARENT |
| Base Style | MINIATURE SCREW |
| Rated Average Life | NOT RATED |
| Bulb Designator | T-4 1/2 |
| Filament Heavy Duty Service Rating | NOT RATED |
| Wattage Rating | 5.000 WATTS |
| Emitted Light Characteristic | WHITE |
| Bulb Style | T (TUBULAR) |
| Voltage Rating | 6.300 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 |
| Part Number | Manufacturer |
|---|---|
| 3211-510 PRIMARY | Schenck Usa Corp. Dba Schenck Usa Corp (USA) |
NSN 6240-00-398-0740 is a Lamp,incandescent, manufactured by Schenck Usa Corp. Dba Schenck Usa Corp, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-00-398-0740 has 1 manufacturer part number on file: 3211-510 (Schenck Usa Corp. Dba Schenck Usa Corp).
Key specifications for 3211-510: Bulb Light Transmission Characteristic: TRANSPARENT; Base Style: MINIATURE SCREW; Rated Average Life: NOT RATED; Bulb Designator: T-4 1/2. 9 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.