PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

106-119780-020Heater,duct Type,stationary

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4520-01-164-7758 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-164-7758 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-164-7758. Primary manufacturer part number: 106-119780-020.
Features
  • Heater,duct Type,stationary — FSC 4520
  • Operating Control Type: THERMOSTATIC
  • Height: 13.625 INCHES NOMINAL IN
  • Frequency in Hertz: 50.0
  • Width: 4.250 INCHES NOMINAL IN
  • Heat Delivery Rate: 15558.7 BRITISH THERMAL UNIT
  • Mounting Type: VENTILATION DUCT
  • Current Type: AC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,duct Type,stationary, cataloged under National Stock Number 4520-01-164-7758, 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 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-164-7758
Primary Part Number106-119780-020
Item NameHeater,duct Type,stationary
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Operating Control TypeTHERMOSTATIC
Height13.625 INCHES NOMINAL IN
Frequency in Hertz50.0
Width4.250 INCHES NOMINAL IN
Heat Delivery Rate15558.7 BRITISH THERMAL UNIT
Mounting TypeVENTILATION DUCT
Current TypeAC
Inclosure MaterialSTEEL CORROSION RESISTING
Depth17.125 INCHES NOMINAL IN
Heating Element TypeELECTRIC NONIMMERSION
Voltage in Volts440.0
Heat Medium TypeAIR
Current Rating in Amps10.4
PhaseSINGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-169-8856 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
84-0807 Valad Electric Heating Corp. (USA)
106-119780-020 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
EH106-119780-020 Valad Electric Heating Corp. (USA)
Related Parts
5950-00-169-8856INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 4520-01-164-7758?

NSN 4520-01-164-7758 is a Heater,duct Type,stationary, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-164-7758?

NSN 4520-01-164-7758 has 3 cross-referenced part numbers: 84-0807 (Valad Electric Heating Corp.), 106-119780-020 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), EH106-119780-020 (Valad Electric Heating Corp.).

What NSN replaces 4520-01-164-7758?

There is 1 known substitute for 4520-01-164-7758: 5950-00-169-8856. Verify interchangeability with system specifications before substitution.

What are the specifications of 106-119780-020?

Key specifications for 106-119780-020: Operating Control Type: THERMOSTATIC; Height: 13.625 INCHES NOMINAL IN; Frequency in Hertz: 50.0; Width: 4.250 INCHES NOMINAL IN. 14 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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