The Heater,duct Type,portable, cataloged under National Stock Number 4520-00-054-4716, 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 Engineered Air Systems, Inc. Dba Drs Sustainment Systems. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-054-4716 |
| Primary Part Number | BT400-42-1 |
| Item Name | Heater,duct Type,portable |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Engineered Air Systems, Inc. Dba Drs Sustainment Systems |
| Status | ACTIVE |
| Fuel Feed Method | INTERNAL PUMP |
| Fuel Type | GASOLINE |
| Phase | THREE |
| Heat Outlet Quantity | 6 |
| Prime Mover Type | GASOLINE ENGINE |
| Heat Directing Device | FLEXIBLE DUCTS |
| Air Circulation Device | SQUIRREL CAGE BLOWER |
| Flue Connection Location | TOP CENTER |
| Circulated Air Type | HEATED |
| Voltage in Volts | 220.0 |
| Ignition Method | ELECTRODE |
| Integral Fuel Tank Capacity | 17.5 GALLONS |
| Height | 26.000 INCHES NOMINAL IN |
| Heating Element Type | COMBUSTION CHAMBER |
| Frequency in Hertz | 60.0 |
| Quantity | 1 |
| Heat Delivery Rate | 400000.0 KILOGRAM-CALORIE KG |
| Fuel Consumption Rate Per Hour | 5.0 GALLONS |
| Heat Delivery Direction | HORIZONTAL |
| Depth | 50.000 INCHES NOMINAL IN |
| Maximum Air Flow Rate | 1073.0 CUBIC FEET PER MINUTE |
| Operating Control Type | HAND SWITCH |
| Heat Medium Type | AIR |
| Current Type | AC |
| Heat Discharge Outlet Type | STATIONARY |
| Mounting Type | TRAILER |
| Radio Interference Suppression Type | ARMY, MIL-STD-461, RADIO SUPPRESSION |
| Outlet Position | IN THE SAME DIRECTION |
| Speed Adjustments | SINGLE SPEED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BT400-42-1 | Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA) |
| BT400-42-1 | Drs Environmental Systems Inc (USA) |
| MILH4607 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4520-00-054-4716 is a Heater,duct Type,portable, manufactured by Engineered Air Systems, Inc. Dba Drs Sustainment Systems, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-00-054-4716 has 3 cross-referenced part numbers: BT400-42-1 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), BT400-42-1 (Drs Environmental Systems Inc), MILH4607 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 5 known substitutes for 4520-00-054-4716: 4520-00-203-0224, 4520-00-223-3221, 4520-00-915-7789 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for BT400-42-1: Fuel Feed Method: INTERNAL PUMP; Fuel Type: GASOLINE; Phase: THREE; Heat Outlet Quantity: 6. 30 total characteristics are documented in the Federal Logistics Information System.