The Heater,space,electric, cataloged under National Stock Number 4520-00-472-2672, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-472-2672 |
| Primary Part Number | 003-116405-001 |
| Item Name | Heater,space,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| Status | ACTIVE |
| Phase | SINGLE |
| Frequency in Hertz | 400.0 |
| Current Type | AC |
| Voltage in Volts | 240.0 |
| Heat Outlet Quantity | 1 |
| Heat Discharge Outlet Type | STATIONARY |
| Heat Delivery Direction | HORIZONTAL |
| Height | 3.750 INCHES NOMINAL IN |
| Depth | 20.750 INCHES NOMINAL IN |
| Width | 7.562 INCHES NOMINAL IN |
| Heat Directing Device | DIRECTIONAL GRILLE |
| Mounting Type | VENTILATION DUCT |
| Heating Element Type | ELECTRIC NONIMMERSION |
| Current Rating in Amps | 6.1 |
| 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 |
|---|---|
| CWM21.5-1NM | Valad Electric Heating Corp. (USA) |
| 003-116405-001 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| H1801XX | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| 10676692 | C/1 Advisory reference — outside the item-of-supply concept Us Army Aviation and Missile Command |
NSN 4520-00-472-2672 is a Heater,space,electric, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-00-472-2672 has 3 manufacturer part numbers on file: CWM21.5-1NM (Valad Electric Heating Corp.), 003-116405-001 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), H1801XX (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for 003-116405-001: Phase: SINGLE; Frequency in Hertz: 400.0; Current Type: AC; Voltage in Volts: 240.0. 14 specifications are 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.