The Furnace,combustion Tube,laborato, cataloged under National Stock Number 6640-00-446-3719, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6640-00-446-3719 |
| Item Name | Furnace,combustion Tube,laborato |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| Current Type | AC |
| Power Rating | 3.4 KILOWATTS NOMINAL |
| Maximum Operating Temp | 2200.0 FAHRENHEIT DEGF |
| Frequency Rating | 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL |
| Voltage Rating | 230.0 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 |
|---|---|
| 54352 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6640-00-446-3719 is a Furnace,combustion Tube,laborato, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6635-01-419-6234. Verify interchangeability with system specifications before substitution.
Key specifications for 6640-00-446-3719: Overall Height: 14.500 INCHES NOMINAL IN; Current Type: AC; Overall Length: 31.500 INCHES NOMINAL IN; Overall Width: 12.000 INCHES NOMINAL IN. 5 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.