PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PH400Heater,duct Type,portable

Hdt Expeditionary Systems Inc · NSN 4520-00-980-3199 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-980-3199 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-980-3199. Primary manufacturer part number: PH400.
Features
  • Heater,duct Type,portable — FSC 4520
  • Mounting Type: TRAILER
  • Fuel Type: GASOLINE
  • Fuel Feed Method: INTERNAL PUMP
  • Quantity: 1
  • Air Filter Type: REPLACEABLE PREFORMED
  • Width: 20.000 INCHES NOMINAL IN
  • Heat Outlet Quantity: 1
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,duct Type,portable, cataloged under National Stock Number 4520-00-980-3199, 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 Hdt Expeditionary Systems Inc. Government technical data includes 25 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-00-980-3199
Primary Part NumberPH400
Item NameHeater,duct Type,portable
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Mounting TypeTRAILER
Fuel TypeGASOLINE
Fuel Feed MethodINTERNAL PUMP
Quantity1
Air Filter TypeREPLACEABLE PREFORMED
Width20.000 INCHES NOMINAL IN
Heat Outlet Quantity1
Speed AdjustmentsSINGLE SPEED
Air Circulation DeviceSQUIRREL CAGE BLOWER
Heating Element TypeCOMBUSTION CHAMBER
Integral Fuel Tank Capacity19.0 GALLONS
Inclosure MaterialSTEEL
Heat Delivery DirectionHORIZONTAL
Prime Mover TypeGASOLINE ENGINE
Depth49.000 INCHES NOMINAL IN
Circulated Air TypeHEATED
Maximum Air Flow Rate810.0 CUBIC FEET PER MINUTE
Heat Medium TypeAIR
Heat Directing DeviceFLEXIBLE DUCTS
Ignition MethodELECTRODE
Heat Delivery Rate400000.0 BRITISH THERMAL UNIT
Fuel Consumption Rate Per Hour4.0 GALLONS
Operating Control TypeTHERMOSTATIC
Heat Discharge Outlet TypeSTATIONARY
Height26.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4520-00-054-4716 INTERCHANGEABLE
Heater,duct Type,portable
4520-00-203-0224 INTERCHANGEABLE
Heater,duct Type,portable
4520-00-223-3221 INTERCHANGEABLE
Heater,duct Type,portable
4520-00-915-7789 INTERCHANGEABLE
Heater,duct Type,portable
2940-01-174-13471174417 INTERCHANGEABLE
Filter Element,fluid
Deutz Corporation
4520-01-267-0241 INTERCHANGEABLE
Heater,duct Type,portable
Cross-Reference Index
Part NumberManufacturer
PH400 PRIMARY Hdt Expeditionary Systems Inc (USA)
MILH4607 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4520-00-054-4716INTERCHANGEABLE
HEATER,DUCT TYPE,PORTABLE
4520-00-203-0224INTERCHANGEABLE
HEATER,DUCT TYPE,PORTABLE
4520-00-223-3221INTERCHANGEABLE
HEATER,DUCT TYPE,PORTABLE
4520-00-915-7789INTERCHANGEABLE
HEATER,DUCT TYPE,PORTABLE
2940-01-174-1347INTERCHANGEABLE
FILTER ELEMENT,FLUID
1174417
4520-01-267-0241INTERCHANGEABLE
HEATER,DUCT TYPE,PORTABLE

Frequently Asked Questions

What is NSN 4520-00-980-3199?

NSN 4520-00-980-3199 is a Heater,duct Type,portable, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-980-3199?

NSN 4520-00-980-3199 has 2 cross-referenced part numbers: PH400 (Hdt Expeditionary Systems Inc), MILH4607 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4520-00-980-3199?

There are 6 known substitutes for 4520-00-980-3199: 4520-00-054-4716, 4520-00-203-0224, 4520-00-223-3221 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PH400?

Key specifications for PH400: Mounting Type: TRAILER; Fuel Type: GASOLINE; Fuel Feed Method: INTERNAL PUMP; Quantity: 1. 25 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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