PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5T3231AI2L36Thermocouple,immersion

Thermo Electric Company Inc. Dba Thermo Electric Company · NSN 6685-00-325-3265 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-325-3265 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-325-3265. Primary manufacturer part number: 5T3231AI2L36.
Features
  • Thermocouple,immersion — FSC 6685
  • 2 verified cross-references
  • Primary manufacturer: Thermo Electric Company Inc. Dba Thermo Electric Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermocouple,immersion, cataloged under National Stock Number 6685-00-325-3265, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Thermo Electric Company Inc. Dba Thermo Electric Company. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameThermocouple,immersion
FSC / FSG6685 — No Item Name Available (FSG 66)
ManufacturersHamilton Sundstrand Corporation (CAGE 99167); Thermo Electric Company Inc. Dba Thermo Electric Company (CAGE 99195)
Technical Specifications
ParameterValue
NSN6685-00-325-3265
Primary Part Number5T3231AI2L36
Item NameThermocouple,immersion
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerThermo Electric Company Inc. Dba Thermo Electric Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-108-922410720 INTERCHANGEABLE
Bearing,ball,annular
Berkel Inc
3110-00-156-54553207E-2Z/LHT55 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5950-00-681-75071655913 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4720-00-898-479016008P11 INTERCHANGEABLE
Hose Assembly,nonmetallic
Taylor Machine Works Inc
4730-01-296-025155507 INTERCHANGEABLE
Adapter,straight,tube to Hose
Maremont Corp Gabriel Div
7530-01-608-828755507 INTERCHANGEABLE
Envelope,mailing
3 Star Papers Ltd Dba Limited Papers Div Limited Papers
Cross-Reference Index
Part NumberManufacturer
55507 Hamilton Sundstrand Corporation (USA)
5T3231AI2L36 PRIMARY Thermo Electric Company Inc. Dba Thermo Electric Company (USA)
Related Parts
3110-00-108-9224INTERCHANGEABLE
BEARING,BALL,ANNULAR
10720
3110-00-156-5455INTERCHANGEABLE
BEARING,BALL,ANNULAR
3207E-2Z/LHT55
5950-00-681-7507INTERCHANGEABLE
TRANSFORMER,POWER
1655913
4720-00-898-4790INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
16008P11
4730-01-296-0251INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
55507
7530-01-608-8287INTERCHANGEABLE
ENVELOPE,MAILING
55507

Frequently Asked Questions

What is NSN 6685-00-325-3265?

NSN 6685-00-325-3265 is a Thermocouple,immersion, manufactured by Thermo Electric Company Inc. Dba Thermo Electric Company, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-325-3265?

NSN 6685-00-325-3265 has 2 cross-referenced part numbers: 55507 (Hamilton Sundstrand Corporation), 5T3231AI2L36 (Thermo Electric Company Inc. Dba Thermo Electric Company).

What NSN replaces 6685-00-325-3265?

There are 6 known substitutes for 6685-00-325-3265: 3110-00-108-9224, 3110-00-156-5455, 5950-00-681-7507 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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