The Heater,duct Type,portable, cataloged under National Stock Number 4520-00-856-5983, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 24 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-856-5983 |
| Primary Part Number | MIL-H-11049 |
| Item Name | Heater,duct Type,portable |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Height | 46.000 INCHES NOMINAL IN |
| Heating Element Type | COMBUSTION CHAMBER |
| Heat Delivery Rate | 250000.0 BRITISH THERMAL UNIT |
| Width | 36.000 INCHES NOMINAL IN |
| Circulated Air Type | HEATED |
| Heat Directing Device | FLEXIBLE DUCTS |
| Heat Delivery Direction | HORIZONTAL |
| Inclosure Material | STEEL |
| Mounting Type | WHEEL |
| Integral Fuel Tank Capacity | 16.0 GALLONS |
| Outlet Position | IN THE SAME DIRECTION |
| Fuel Type | GASOLINE |
| Ignition Method | PILOT |
| Heat Outlet Quantity | 2 |
| Speed Adjustments | SINGLE SPEED |
| Fuel Feed Method | GRAVITY |
| Operating Control Type | THERMOSTATIC |
| Prime Mover Type | GASOLINE ENGINE |
| Maximum Air Flow Rate | 1650.0 CUBIC FEET PER MINUTE |
| Air Circulation Device | SQUIRREL CAGE BLOWER |
| Heat Discharge Outlet Type | STATIONARY |
| Depth | 43.000 INCHES NOMINAL IN |
| Quantity | 1 |
| Heat Medium Type | AIR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-H-11049 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| VB3077CS61 | Vbm Corp (USA) |
NSN 4520-00-856-5983 is a Heater,duct Type,portable, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-00-856-5983 has 2 cross-referenced part numbers: MIL-H-11049 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), VB3077CS61 (Vbm Corp).
There are 8 known substitutes for 4520-00-856-5983: 4520-00-001-7726, 4520-00-086-7676, 4520-00-218-0808 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-H-11049: Height: 46.000 INCHES NOMINAL IN; Heating Element Type: COMBUSTION CHAMBER; Heat Delivery Rate: 250000.0 BRITISH THERMAL UNIT; Width: 36.000 INCHES NOMINAL IN. 24 total characteristics are documented in the Federal Logistics Information System.