PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3234Heater,fluid,industrial

Avitest Llc · NSN 4420-01-237-8372 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-01-237-8372 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-237-8372. Primary manufacturer part number: 3234.
Features
  • Heater,fluid,industrial — FSC 4420
  • Heat Transfer Method: INDIRECT
  • 3 verified cross-references
  • Primary manufacturer: Avitest Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,fluid,industrial, cataloged under National Stock Number 4420-01-237-8372, is classified within Federal Supply Class 4420 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Avitest Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4420-01-237-8372
Primary Part Number3234
Item NameHeater,fluid,industrial
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerAvitest Llc
StatusACTIVE
Heat Transfer MethodINDIRECT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-217-242913345FX INTERCHANGEABLE
Adapter,straight,tube to Hose
Oshkosh Defense Llc
5340-00-354-84763234 INTERCHANGEABLE
Crank,hand
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
1620-00-386-85403234 INTERCHANGEABLE
Thrust Plate Assemb
Avox Systems Inc Dba Avox Systems Inc
5935-00-732-188332-34 INTERCHANGEABLE
Connector,plug,electrical
Te Connectivity Corporation Dba Microdot Products
5315-01-154-42563234 INTERCHANGEABLE
Key,machine
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5998-01-190-8656 INTERCHANGEABLE
Circuit Card Assembly
6515-01-248-10503234 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
5310-01-250-79633234 INTERCHANGEABLE
Washer,shouldered
Keystone Electronics Corp
5975-01-364-56133234 INTERCHANGEABLE
Box Connector,electrical
Heyco Inc Dba Heyco Products
5210-01-435-5423323-4 INTERCHANGEABLE
Gage,thread Tool Setting
The Boeing Company
Cross-Reference Index
Part NumberManufacturer
3234 Aviation Technology, Inc. (USA)
3234 PRIMARY Avitest Llc (USA)
3305-T2 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA)
Related Parts
4730-00-217-2429INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
13345FX
5340-00-354-8476INTERCHANGEABLE
CRANK,HAND
3234
1620-00-386-8540INTERCHANGEABLE
THRUST PLATE ASSEMB
3234
5935-00-732-1883INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
32-34
5315-01-154-4256INTERCHANGEABLE
KEY,MACHINE
3234
5998-01-190-8656INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6515-01-248-1050INTERCHANGEABLE
BAG,OSTOMY
3234
5310-01-250-7963INTERCHANGEABLE
WASHER,SHOULDERED
3234
5975-01-364-5613INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
3234
5210-01-435-5423INTERCHANGEABLE
GAGE,THREAD TOOL SETTING
323-4
3120-01-450-9024INTERCHANGEABLE
BUSHING,SLEEVE

Frequently Asked Questions

What is NSN 4420-01-237-8372?

NSN 4420-01-237-8372 is a Heater,fluid,industrial, manufactured by Avitest Llc, classified under FSC 4420 (No Item Name Available). Status: active.

What are the part numbers for NSN 4420-01-237-8372?

NSN 4420-01-237-8372 has 3 cross-referenced part numbers: 3234 (Aviation Technology, Inc.), 3234 (Avitest Llc), 3305-T2 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).

What NSN replaces 4420-01-237-8372?

There are 11 known substitutes for 4420-01-237-8372: 4730-00-217-2429, 5340-00-354-8476, 1620-00-386-8540 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3234?

Key specifications for 3234: End Item Identification: AVITECH MODELS 708644 AND 708644-1 TEST STANDS; Special Features: 3 KILOWATT; Heat Transfer Method: INDIRECT. 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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