PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CAB-611Heater,duct Type,stationary

Chromalox Inc Dba Chromalox Precision Heat and Control, Inc · NSN 4520-01-086-8559 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-086-8559 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-086-8559. Primary manufacturer part number: CAB-611.
Features
  • Heater,duct Type,stationary — FSC 4520
  • Voltage in Volts: 240.0
  • Operating Control Type: THERMOSTATIC
  • Height: 15.875 INCHES NOMINAL IN
  • Heat Medium Type: AIR
  • Frequency in Hertz: 60.0
  • Width: 10.750 INCHES NOMINAL IN
  • Heating Element Type: ELECTRIC NONIMMERSION
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 4520-01-086-8559, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-086-8559
Primary Part NumberCAB-611
Item NameHeater,duct Type,stationary
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerChromalox Inc Dba Chromalox Precision Heat and Control, Inc
StatusACTIVE
Voltage in Volts240.0
Operating Control TypeTHERMOSTATIC
Height15.875 INCHES NOMINAL IN
Heat Medium TypeAIR
Frequency in Hertz60.0
Width10.750 INCHES NOMINAL IN
Heating Element TypeELECTRIC NONIMMERSION
Heat Delivery Rate20472.0 BRITISH THERMAL UNIT
PhaseTHREE
Mounting TypeVENTILATION DUCT
Current TypeAC
Current Rating in Amps25.0
Depth11.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4240-00-851-191426045-1 INTERCHANGEABLE
Tee Assembly
Avox Systems Inc Dba Avox Systems Inc
3830-00-853-7034236524 INTERCHANGEABLE
Diaphragm,crane-Shovel
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
1680-00-995-530826045-1 INTERCHANGEABLE
Reservoir and Trigg
Aerocontrolex Group, Inc. Div Talley Actuators
Cross-Reference Index
Part NumberManufacturer
CAB611 Zf Industrieantriebe Witten Gmbh (DEU)
260451 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
971AS185 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
CAB-611 PRIMARY Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
Related Parts
4240-00-851-1914INTERCHANGEABLE
TEE ASSEMBLY
26045-1
3830-00-853-7034INTERCHANGEABLE
DIAPHRAGM,CRANE-SHOVEL
236524
1680-00-995-5308INTERCHANGEABLE
RESERVOIR AND TRIGG
26045-1

Frequently Asked Questions

What is NSN 4520-01-086-8559?

NSN 4520-01-086-8559 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 4520-01-086-8559?

NSN 4520-01-086-8559 has 4 cross-referenced part numbers: CAB611 (Zf Industrieantriebe Witten Gmbh), 260451 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), 971AS185 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), CAB-611 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).

What NSN replaces 4520-01-086-8559?

There are 3 known substitutes for 4520-01-086-8559: 4240-00-851-1914, 3830-00-853-7034, 1680-00-995-5308. Verify interchangeability with system specifications before substitution.

What are the specifications of CAB-611?

Key specifications for CAB-611: Voltage in Volts: 240.0; Operating Control Type: THERMOSTATIC; Height: 15.875 INCHES NOMINAL IN; Heat Medium Type: AIR. 13 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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