PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HV-18Unit Heater,air Circulating,stea

Vulcan Radiator Co the · NSN 4520-00-219-7897 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-219-7897 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-219-7897. Primary manufacturer part number: HV-18.
Features
  • Unit Heater,air Circulating,stea — FSC 4520
  • Phase: SINGLE
  • Heating Element Type: STEAM COIL
  • Height: 12.500 INCHES NOMINAL IN
  • Heat Delivery Rate: 18000.0 BRITISH THERMAL UNIT
  • Circulated Air Type: HEATED
  • Speed Adjustments: SINGLE SPEED
  • Depth: 6.000 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Unit Heater,air Circulating,stea, cataloged under National Stock Number 4520-00-219-7897, 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 Vulcan Radiator Co the. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-00-219-7897
Primary Part NumberHV-18
Item NameUnit Heater,air Circulating,stea
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerVulcan Radiator Co the
StatusACTIVE
PhaseSINGLE
Heating Element TypeSTEAM COIL
Height12.500 INCHES NOMINAL IN
Heat Delivery Rate18000.0 BRITISH THERMAL UNIT
Circulated Air TypeHEATED
Speed AdjustmentsSINGLE SPEED
Depth6.000 INCHES NOMINAL IN
Heat Medium TypeSTEAM
Heat Delivery DirectionHORIZONTAL
Prime Mover TypeELECTRIC MOTOR
Air Circulation DevicePROPELLER FAN
Heat Directing DeviceADJUSTABLE CONE DIFFUSER
Heat Discharge Outlet TypeSTATIONARY
Frequency in Hertz60.0
Width13.000 INCHES NOMINAL IN
Heat Outlet Quantity1
Current TypeAC
Quantity1
Voltage in Volts115.0
Mounting TypeCEILING SUSPENDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6750-00-045-6886 INTERCHANGEABLE
Paper,copying,diazo Process
5905-00-101-5499 INTERCHANGEABLE
Resistor,fixed,wire Wound
6750-00-158-7403 INTERCHANGEABLE
Paper,copying,diazo Process
5340-00-187-9031H75 INTERCHANGEABLE
Clip,spring Tension
Egs Electrical Group Appleton Div
5940-00-231-1595 INTERCHANGEABLE
Terminal,lug
5340-00-329-861111-100 INTERCHANGEABLE
Shield,expansion
Barrett Mfg Co
6750-00-372-4786 INTERCHANGEABLE
Paper,copying,diazo Process
6750-00-400-7983 INTERCHANGEABLE
Paper,copying,diazo Process
6750-00-403-8410 INTERCHANGEABLE
Paper,copying,diazo Process
5950-00-581-98933191-1011G1ISSUE1 INTERCHANGEABLE
Reactor
Raytheon Company Div Corp
Cross-Reference Index
Part NumberManufacturer
18S Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
HS18-01 Modine Manufacturing Co (USA)
H75 Modine Mfg Co (USA)
H75 Modine Manufacturing Co (USA)
HS-18-01 Zf Industrieantriebe Witten Gmbh (DEU)
HV-18 PRIMARY Vulcan Radiator Co the (USA)
HS18-01 Modine Mfg Co (USA)
Related Parts
6750-00-045-6886INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
5905-00-101-5499INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
6750-00-158-7403INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
5340-00-187-9031INTERCHANGEABLE
CLIP,SPRING TENSION
H75
5940-00-231-1595INTERCHANGEABLE
TERMINAL,LUG
5340-00-329-8611INTERCHANGEABLE
SHIELD,EXPANSION
11-100
6750-00-372-4786INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
6750-00-400-7983INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
6750-00-403-8410INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
5950-00-581-9893INTERCHANGEABLE
REACTOR
3191-1011G1ISSUE1
4520-00-629-1996INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
H75
5342-00-656-4784INTERCHANGEABLE
BRACKET,RESISTOR MO
18S

Frequently Asked Questions

What is NSN 4520-00-219-7897?

NSN 4520-00-219-7897 is a Unit Heater,air Circulating,stea, manufactured by Vulcan Radiator Co the, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-219-7897?

NSN 4520-00-219-7897 has 7 cross-referenced part numbers: 18S (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), HS18-01 (Modine Manufacturing Co), H75 (Modine Mfg Co), H75 (Modine Manufacturing Co), HS-18-01 (Zf Industrieantriebe Witten Gmbh) and 2 more.

What NSN replaces 4520-00-219-7897?

There are 12 known substitutes for 4520-00-219-7897: 6750-00-045-6886, 5905-00-101-5499, 6750-00-158-7403 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HV-18?

Key specifications for HV-18: Phase: SINGLE; Heating Element Type: STEAM COIL; Height: 12.500 INCHES NOMINAL IN; Heat Delivery Rate: 18000.0 BRITISH THERMAL UNIT. 20 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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