The Heater,vehicular,compartment, cataloged under National Stock Number 2540-01-044-5620, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-044-5620 |
| Item Name | Heater,vehicular,compartment |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Status | ACTIVE |
| Maximum Air Flow Rate | 122.0 CUBIC FEET PER MINUTE |
| Speed Adjustments | THREE SPEED |
| Heat Delivery Rate | 2400.0 BRITISH THERMAL UNIT |
| Current Type | DC |
| Heat Medium Type | HOT WATER OR STEAM |
| Inclosure Material | STEEL AND COPPER |
| Quantity | 1 |
| Voltage in Volts | 12.0 |
| Fuel Type | DIESEL FUEL OIL |
| Heat Outlet Quantity | 1 |
| Heat Discharge Outlet Type | STATIONARY |
| Ventilation Damper Type | MANUAL |
| Heat Delivery Direction | VERTICAL |
| Height | 8.812 INCHES NOMINAL IN |
| Air Circulation Device | PROPELLER FAN |
| Surface Treatment | ENAMEL |
| Depth | 8.438 INCHES NOMINAL IN |
| Width | 8.166 INCHES NOMINAL IN |
| Prime Mover Type | ELECTRIC MOTOR |
| Circulated Air Type | HEATED |
| Heat Directing Device | ADJUSTABLE LOUVER |
| Ignition Method | MANUAL |
| Mounting Type | UNDER SEAT |
| Fuel Feed Method | EXTERNAL PUMP |
| Heating Element Type | ELECTRIC NONIMMERSION |
| Current Rating in Amps | 4.6 |
| Operating Control Type | HAND SWITCH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| 521-114 | 5/9 Secondary reference U.S. Government activity |
| HV-210470 | D/9 Drawing number reference only Evans Tempcon Michigan, Llc |
| 521-114 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2540-01-044-5620 is a Heater,vehicular,compartment, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
Key specifications for 2540-01-044-5620: Maximum Air Flow Rate: 122.0 CUBIC FEET PER MINUTE; Speed Adjustments: THREE SPEED; Heat Delivery Rate: 2400.0 BRITISH THERMAL UNIT; Current Type: DC. 27 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.