The Heater,space,electric, cataloged under National Stock Number 4520-01-229-7149, 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 W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-229-7149 |
| Primary Part Number | 3E343/2E642/2E466 |
| Item Name | Heater,space,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Phase | THREE |
| Frequency in Hertz | 50.0 OR 60.0 |
| Current Type | AC |
| Inclosure Material | STEEL |
| Quantity | 1 |
| Voltage in Volts | 440.0 |
| Air Circulation Device | PROPELLER FAN |
| Width | 13.500 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Circulated Air Type | HEATED |
| Mounting Type | CEILING SUSPENDED |
| Heating Element Type | ELECTRIC NONIMMERSION |
| Operating Control Type | THERMOSTATIC |
| 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 |
|---|---|
| GUH-07-4/MB-10/GF100 | Gaumer Company, Inc. Dba Gaumer Process (USA) |
| 3E343/2E642/2E466 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| SPAUH748STSB | Aitken Products Inc (USA) |
| 20948.0-3 | Valad Electric Heating Corp. (USA) |
| Reference | Meaning |
|---|---|
| 3E343/2E642/2E466 | 5/9 Secondary reference Grainger W W Inc |
NSN 4520-01-229-7149 is a Heater,space,electric, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-229-7149 has 4 manufacturer part numbers on file: GUH-07-4/MB-10/GF100 (Gaumer Company, Inc. Dba Gaumer Process), 3E343/2E642/2E466 (W.w. Grainger, Inc. Div Government Sales Division), SPAUH748STSB (Aitken Products Inc), 20948.0-3 (Valad Electric Heating Corp.).
Key specifications for 3E343/2E642/2E466: Phase: THREE; Frequency in Hertz: 50.0 OR 60.0; Current Type: AC; Inclosure Material: STEEL. 13 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.