The Heating Element, cataloged under National Stock Number 4540-00-602-4677, is classified within Federal Supply Class 4540 (Waste Disposal Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Valad Electric Heating Corp.. 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 | 4540-00-602-4677 |
| Primary Part Number | DF7-3 |
| Item Name | Heating Element |
| FSC / FSG | 4540 / 45 — Waste Disposal Equipment |
| Manufacturer | Valad Electric Heating Corp. |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM FINNED,TUBULAR SHAPE,AC CURRENT,440 VOLTS,3-PHASED,500 WATTS,W/LEAD WIRES |
| 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 |
|---|---|
| DF7-3 PRIMARY | Valad Electric Heating Corp. (USA) |
NSN 4540-00-602-4677 is a Heating Element, manufactured by Valad Electric Heating Corp., classified under FSC 4540, Waste Disposal Equipment. Status: active.
NSN 4540-00-602-4677 has 1 manufacturer part number on file: DF7-3 (Valad Electric Heating Corp.).
1 possible match (shared part number, not a government interchangeability claim): 6550-01-461-4274. Verify interchangeability with system specifications before substitution.
Key specifications for DF7-3: General Characteristics Item Description: ALUMINUM FINNED,TUBULAR SHAPE,AC CURRENT,440 VOLTS,3-PHASED,500 WATTS,W/LEAD WIRES. 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.