The Furnace,metal Melting,gas Burnin, cataloged under National Stock Number 4430-01-251-4447, is classified within Federal Supply Class 4430 (Industrial Furnaces, Kilns, Lehrs, and Ovens) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Swest Inc. Government technical data includes 1 specification, 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. 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 | 4430-01-251-4447 |
| Primary Part Number | 230-520 |
| Item Name | Furnace,metal Melting,gas Burnin |
| FSC / FSG | 4430 / 44 — Industrial Furnaces, Kilns, Lehrs, and Ovens |
| Manufacturer | Swest Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 21.000 IN. H; 23.000 IN. DIA; 240,000 BTU PER HR; SPARK IGNITION; 0 TO 2500 DEG F TEMP RANGE; 1.000 IN. PIPE SIZE; 120 VAC,50/60 HZ VAC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 230-520 PRIMARY | Swest Inc (USA) |
NSN 4430-01-251-4447 is a Furnace,metal Melting,gas Burnin, manufactured by Swest Inc, classified under FSC 4430, Industrial Furnaces, Kilns, Lehrs, and Ovens. Status: active.
NSN 4430-01-251-4447 has 1 manufacturer part number on file: 230-520 (Swest Inc).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-442-6949. Verify interchangeability with system specifications before substitution.
Key specifications for 230-520: General Characteristics Item Description: 21.000 IN. H; 23.000 IN. DIA; 240,000 BTU PER HR; SPARK IGNITION; 0 TO 2500 DEG F TEMP RANGE; 1.000 IN. PIPE SIZE; 120 VAC,50/60 HZ VAC. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.