The Heater,duct Type,portable, cataloged under National Stock Number 4520-00-057-9832, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Drs Environmental Systems Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-057-9832 |
| Primary Part Number | H41 |
| Item Name | Heater,duct Type,portable |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Drs Environmental Systems Inc |
| Status | ACTIVE |
| Depth | 70.000 INCHES NOMINAL IN |
| Maximum Air Flow Rate | 529.2 CUBIC FEET PER MINUTE |
| Surface Treatment | CADMIUM |
| Mounting Type | HAND CARRY |
| Quantity | 1 |
| Air Circulation Device | SQUIRREL CAGE BLOWER |
| Fuel Type | BUTANE |
| Width | 42.000 INCHES NOMINAL IN |
| Height | 48.000 INCHES NOMINAL IN |
| Voltage in Volts | 220.0 |
| Current Rating in Amps | 104.0 |
| Fuel Feed Method | EXTERNAL PRESSURE |
| Heat Medium Type | AIR |
| Ignition Method | MANUAL |
| Heat Delivery Direction | HORIZONTAL |
| Heat Outlet Quantity | 1 |
| Heating Element Type | BURNER |
| Operating Control Type | HAND SWITCH |
| Radio Interference Suppression Type | AF, MIL-STD-826, RADIO SUPPRESSION |
| Prime Mover Type | DIESEL ENGINE |
| Phase | THREE |
| Heat Directing Device | FLEXIBLE DUCTS |
| Frequency in Hertz | 400.0 |
| Heat Discharge Outlet Type | ADJUSTABLE |
| Circulated Air Type | HEATED |
| Heat Delivery Rate | 88000.0 BRITISH THERMAL UNIT |
| Speed Adjustments | SINGLE SPEED |
| Current Type | AC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4520-00-057-9832 is a Heater,duct Type,portable, manufactured by Drs Environmental Systems Inc, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-00-057-9832 has 2 cross-referenced part numbers: H41 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), H41 (Drs Environmental Systems Inc).
There are 9 known substitutes for 4520-00-057-9832: 5999-00-537-6632, 5120-00-542-4048, 5935-00-823-0278 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for H41: Depth: 70.000 INCHES NOMINAL IN; Maximum Air Flow Rate: 529.2 CUBIC FEET PER MINUTE; Surface Treatment: CADMIUM; Mounting Type: HAND CARRY. 28 total characteristics are documented in the Federal Logistics Information System.