The Unit Heater,air Circulating,stea, cataloged under National Stock Number 4520-01-238-8746, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-238-8746 |
| Item Name | Unit Heater,air Circulating,stea |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Current Type | AC |
| Heat Medium Type | STEAM |
| Quantity | 2 |
| Heat Outlet Quantity | 1 |
| Heat Delivery Direction | HORIZONTAL |
| Air Circulation Device | BLOWER WHEEL |
| Prime Mover Type | ELECTRIC MOTOR |
| Circulated Air Type | COOLING OR HEATED |
| Mounting Type | WHEEL |
| Heating Element Type | STEAM COIL |
| Operating Control Type | HAND SWITCH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1182 | 3/9 Design control — primary reference Waddell Engineering Inc |
NSN 4520-01-238-8746 is a Unit Heater,air Circulating,stea, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-01-238-8746: Current Type: AC; Heat Medium Type: STEAM; Quantity: 2; Heat Outlet Quantity: 1. 11 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.