The Heater,space, cataloged under National Stock Number 4520-01-252-2592, 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 18 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-252-2592 |
| Primary Part Number | 3E233 |
| Item Name | Heater,space |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Maximum Air Flow Rate | 2500.0 CUBIC FEET PER MINUTE |
| Speed Adjustments | SINGLE SPEED |
| Heat Delivery Rate | 225000.0 BRITISH THERMAL UNIT |
| Inclosure Material | STEEL |
| Quantity | 1 |
| Fuel Type | NATURAL GAS |
| Height | 36.000 INCHES NOMINAL IN |
| Air Circulation Device | PROPELLER FAN |
| Surface Treatment | ENAMEL |
| Depth | 34.125 INCHES NOMINAL IN |
| Width | 28.875 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Circulated Air Type | HEATED |
| Ignition Method | PILOT |
| Mounting Type | CEILING SUSPENDED |
| Fuel Feed Method | EXTERNAL PRESSURE |
| Heating Element Type | BURNER |
| 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 |
|---|---|
| 3E233 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
NSN 4520-01-252-2592 is a Heater,space, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-252-2592 has 1 manufacturer part number on file: 3E233 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 3E233: Maximum Air Flow Rate: 2500.0 CUBIC FEET PER MINUTE; Speed Adjustments: SINGLE SPEED; Heat Delivery Rate: 225000.0 BRITISH THERMAL UNIT; Inclosure Material: STEEL. 18 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.