The Heater,space,electric, cataloged under National Stock Number 4520-01-393-5337, 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 Hoffman Engineering Co Div of Federal Cartridge Corp. Government technical data includes 16 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. 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 | 4520-01-393-5337 |
| Primary Part Number | DAH2001A |
| Item Name | Heater,space,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Hoffman Engineering Co Div of Federal Cartridge Corp |
| Status | ACTIVE |
| Speed Adjustments | SINGLE SPEED |
| Heat Delivery Rate | 3500.0 BRITISH THERMAL UNIT |
| Phase | THREE |
| Frequency in Hertz | 50.0 OR 60.0 |
| Current Type | AC |
| Quantity | 1 |
| Voltage in Volts | 120.0 |
| Heat Outlet Quantity | 1 |
| Heat Discharge Outlet Type | STATIONARY |
| Heat Delivery Direction | VERTICAL |
| Air Circulation Device | PROPELLER FAN |
| Depth | 4.000 INCHES NOMINAL IN |
| Width | 5.500 INCHES NOMINAL IN |
| Heat Directing Device | FIXED LOUVER |
| Heating Element Type | ELECTRIC NONIMMERSION |
| Current Rating in Amps | 1.7 |
| 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 |
|---|---|
| 347-12801 | L3harris Technologies, Inc. (USA) |
| DAH2001A PRIMARY | Hoffman Engineering Co Div of Federal Cartridge Corp (USA) |
| D-AH2001A | Hoffman Enclosures Inc Dba Hoffman Enclosures Inc (USA) |
| 347-12801 | Rolls-Royce Canada Limited Div Rolls-Royce Canada Limited (CAN) |
NSN 4520-01-393-5337 is a Heater,space,electric, manufactured by Hoffman Engineering Co Div of Federal Cartridge Corp, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-393-5337 has 4 manufacturer part numbers on file: 347-12801 (L3harris Technologies, Inc.), DAH2001A (Hoffman Engineering Co Div of Federal Cartridge Corp), D-AH2001A (Hoffman Enclosures Inc Dba Hoffman Enclosures Inc), 347-12801 (Rolls-Royce Canada Limited Div Rolls-Royce Canada Limited).
1 possible match (shared part number, not a government interchangeability claim): 4520-01-501-0288. Verify interchangeability with system specifications before substitution.
Key specifications for DAH2001A: Speed Adjustments: SINGLE SPEED; Heat Delivery Rate: 3500.0 BRITISH THERMAL UNIT; Phase: THREE; Frequency in Hertz: 50.0 OR 60.0. 16 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.