The Heater,ventilation,duct Type, cataloged under National Stock Number 4520-01-424-7368, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-424-7368 |
| Item Name | Heater,ventilation,duct Type |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Heat Delivery Rate | 79200.0 BRITISH THERMAL UNIT |
| Heat Medium Type | HOT WATER |
| Inclosure Material | STEEL |
| Duct Height | 14.000 INCHES IN |
| Heat Outlet Quantity | 1 |
| Duct Width | 15.000 INCHES IN |
| Heat Discharge Outlet Type | STATIONARY |
| Heat Delivery Direction | HORIZONTAL OR VERTICAL |
| Height | 18.560 INCHES NOMINAL IN |
| Surface Treatment | ZINC |
| Maximum Pressure Limit | 100.0 POUNDS PER SQUARE INCH GAGE LBS |
| Depth | 3.470 INCHES NOMINAL IN |
| Width | 21.310 INCHES NOMINAL IN |
| Heat Directing Device | RADIAL DIFFUSER-VERTICAL VANES |
| Mounting Type | VENTILATION DUCT |
| Heating Element Type | HOT WATER COIL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 9167495-1 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 9167495-1 | 5/9 Secondary reference U.S. Government activity |
| 9167495-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 4WZ1402CX15X14 | 3/9 Design control — primary reference Heatcraft Inc Refrigeration Products Div Sub of Lennox Industries Inc |
| 9167495 | 5/9 Secondary reference U.S. Government activity |
NSN 4520-01-424-7368 is a Heater,ventilation,duct Type, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-01-424-7368: Heat Delivery Rate: 79200.0 BRITISH THERMAL UNIT; Heat Medium Type: HOT WATER; Inclosure Material: STEEL; Duct Height: 14.000 INCHES IN. 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.
NSN 4520-01-424-7368 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.