PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R-1-42-26Heater,ventilation,duct Type

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4520-01-707-1844 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-707-1844 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-707-1844. Primary manufacturer part number: R-1-42-26.
Features
  • Heater,ventilation,duct Type — FSC 4520
  • Heating Element Type: ELECTRIC NONIMMERSION
  • 2 verified cross-references
  • Primary manufacturer: Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,ventilation,duct Type, cataloged under National Stock Number 4520-01-707-1844, 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 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-707-1844
Primary Part NumberR-1-42-26
Item NameHeater,ventilation,duct Type
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Heating Element TypeELECTRIC NONIMMERSION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2530-00-164-265314226 INTERCHANGEABLE
Brake Band and Lining
Komatsu America Corporation
5930-01-708-2438R-3-10-19 INTERCHANGEABLE
Switch,liquid Level
Bird-Johnson Propeller Company, Llc
Cross-Reference Index
Part NumberManufacturer
R-1-42-26 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
116559029 Bird-Johnson Propeller Company, Llc (USA)
Related Parts
2530-00-164-2653INTERCHANGEABLE
BRAKE BAND AND LINING
14226
5930-01-708-2438INTERCHANGEABLE
SWITCH,LIQUID LEVEL
R-3-10-19

Frequently Asked Questions

What is NSN 4520-01-707-1844?

NSN 4520-01-707-1844 is a Heater,ventilation,duct Type, 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 4520-01-707-1844?

NSN 4520-01-707-1844 has 2 cross-referenced part numbers: R-1-42-26 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 116559029 (Bird-Johnson Propeller Company, Llc).

What NSN replaces 4520-01-707-1844?

There are 2 known substitutes for 4520-01-707-1844: 2530-00-164-2653, 5930-01-708-2438. Verify interchangeability with system specifications before substitution.

What are the specifications of R-1-42-26?

Key specifications for R-1-42-26: Special Features: 440VOLTS,15KW; Heating Element Type: ELECTRIC NONIMMERSION; Part Name Assigned by Controlling Agency: HEATER. 3 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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