The Heater,space,electric, cataloged under National Stock Number 4520-01-327-4877, 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 Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-327-4877 |
| Primary Part Number | 20947.5-3 |
| Item Name | Heater,space,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | ACTIVE |
| Speed Adjustments | SINGLE SPEED |
| Heat Delivery Rate | 25590.0 BRITISH THERMAL UNIT |
| Phase | THREE |
| Frequency in Hertz | 50.0 OR 60.0 |
| Current Type | AC |
| Inclosure Material | STEEL CORROSION RESISTING |
| Quantity | 1 |
| Voltage in Volts | 440.0 |
| Heat Outlet Quantity | 1 |
| Heat Discharge Outlet Type | ADJUSTABLE |
| Heat Delivery Direction | HORIZONTAL |
| Height | 17.000 INCHES NOMINAL IN |
| Air Circulation Device | PROPELLER FAN |
| Surface Treatment | CHROMATE ZINC AND ENAMEL |
| Depth | 14.500 INCHES NOMINAL IN |
| Width | 13.500 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Circulated Air Type | HEATED |
| Heat Directing Device | ADJUSTABLE LOUVER |
| Mounting Type | CEILING SUSPENDED OR WALL SUSPENDED, ROOM INTERIOR |
| Heating Element Type | ELECTRIC NONIMMERSION |
| Current Rating in Amps | 17.0 |
| Operating Control Type | HAND SWITCH AND THERMOSTATIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4520-01-327-4877 is a Heater,space,electric, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-327-4877 has 4 manufacturer part numbers on file: 20947.5-3 (Cooper Bussmann, Llc Dba Cooper Industries), 20947.5-3 (Valad Electric Heating Corp.), 73-127 (Valad Electric Heating Corp.), 20944-3 (Valad Electric Heating Corp.).
Key specifications for 20947.5-3: Speed Adjustments: SINGLE SPEED; Heat Delivery Rate: 25590.0 BRITISH THERMAL UNIT; Phase: THREE; Frequency in Hertz: 50.0 OR 60.0. 23 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.