The Lamp,incandescent, cataloged under National Stock Number 6240-01-540-0993, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Harison Toshiba Lighting Usa, Inc. Government technical data includes 11 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 | 6240-01-540-0993 |
| Primary Part Number | 400 |
| Item Name | Lamp,incandescent |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Harison Toshiba Lighting Usa, Inc |
| Status | ACTIVE |
| Filament Designation | C-2F |
| Base Style | WEDGE |
| Rated Average Life | HOURS |
| Bulb Diameter | 0.103 INCHES NOMINAL IN |
| Bulb Designator | T-3 1/4 |
| Light Output Rating | 1.600 LUMENS NOMINAL SINGLE RATING |
| Bulb Style | T (TUBULAR) |
| Terminal Type and Quantity | 1 CONNECTOR, PLUG |
| Current Rating for Which Designed | 0.100 MILLIAMPERES NOMINAL |
| Voltage Rating | 28.000 VOLTS NOMINAL |
| Average Life Rating in Hours | 1000.0 |
| 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 |
|---|---|
| 400 PRIMARY | Harison Toshiba Lighting Usa, Inc (USA) |
NSN 6240-01-540-0993 is a Lamp,incandescent, manufactured by Harison Toshiba Lighting Usa, Inc, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-540-0993 has 1 manufacturer part number on file: 400 (Harison Toshiba Lighting Usa, Inc).
Key specifications for 400: Filament Designation: C-2F; Base Style: WEDGE; Rated Average Life: HOURS; Bulb Diameter: 0.103 INCHES NOMINAL IN. 11 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.