PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T1438Thermocouple,immersion

United Electric Controls Company · NSN 6685-00-963-7250 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-963-7250 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-963-7250. Primary manufacturer part number: T1438.
Features
  • Thermocouple,immersion — FSC 6685
  • Material: STEEL CORROSION RESISTING OVERALL
  • Terminal Type and Quantity: 2 THREADED STUD
  • Immersion Length: 2.400 INCHES NOMINAL IN
  • Unit Type: PROTECTIVE TUBE
  • Accommodated Wire Awg Size: 24
  • 10 verified cross-references
  • Primary manufacturer: United Electric Controls Company
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Thermocouple,immersion, cataloged under National Stock Number 6685-00-963-7250, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is United Electric Controls Company. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-963-7250
Primary Part NumberT1438
Item NameThermocouple,immersion
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerUnited Electric Controls Company
StatusCANCELLED
MaterialSTEEL CORROSION RESISTING OVERALL
Terminal Type and Quantity2 THREADED STUD
Immersion Length2.400 INCHES NOMINAL IN
Unit TypePROTECTIVE TUBE
Accommodated Wire Awg Size24
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-142-4314 INTERCHANGEABLE
Bearing,ball,airframe
3110-00-156-6804654-1 INTERCHANGEABLE
Bearing,ball,annular
Curtiss-Wright Electro-Mechanical Corporation Div Epd
6150-00-201-5575 INTERCHANGEABLE
Cable Assembly,special Purpose,e
6760-00-213-9701 INTERCHANGEABLE
Sight,bore Motion
2920-00-247-44511219 INTERCHANGEABLE
Magneto,ignition
Cummins Power Generation Inc.
2920-00-287-03421116399 INTERCHANGEABLE
Regulator,engine Generator
Delco Remy America Inc
5120-00-330-50676541 INTERCHANGEABLE
Lifter,sheet Material
Atlantic India Rubber Co Inc
5940-00-500-5390 INTERCHANGEABLE
Terminal Board
5930-00-548-67476541-000 INTERCHANGEABLE
Handle,switch
Stromberg-Carlson Corp a Plessey Telecommunications Co
5950-00-679-016306719REVK INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc. Div Space and Airborne Systems
Cross-Reference Index
Part NumberManufacturer
5582029217-1 Rtx Corporation Div Pratt & Whitney (USA)
6541A Unison Industries, Llc Dba Unison Industries Inc (USA)
T1438 PRIMARY United Electric Controls Company (USA)
16220-1 Engelhard Corp Specialty Div (USA)
ST-5569 Temp-Pro Incorporated Dba Temp-Pro Inc (USA)
16220-2 Engelhard Corp Specialty Div (USA)
29217-1 Rtx Corporation Div Pratt & Whitney (USA)
6541A Unison Industries Llc (USA)
6541 Unison Industries, Llc Dba Unison Industries Inc (USA)
300-11137-1 Alturdyne International (USA)
Related Parts
3110-00-142-4314INTERCHANGEABLE
BEARING,BALL,AIRFRAME
3110-00-156-6804INTERCHANGEABLE
BEARING,BALL,ANNULAR
654-1
6150-00-201-5575INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
6760-00-213-9701INTERCHANGEABLE
SIGHT,BORE MOTION
2920-00-247-4451INTERCHANGEABLE
MAGNETO,IGNITION
1219
2920-00-287-0342INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
1116399
5120-00-330-5067INTERCHANGEABLE
LIFTER,SHEET MATERIAL
6541
5940-00-500-5390INTERCHANGEABLE
TERMINAL BOARD
5930-00-548-6747INTERCHANGEABLE
HANDLE,SWITCH
6541-000
5950-00-679-0163INTERCHANGEABLE
TRANSFORMER,POWER
06719REVK
6615-00-710-0209INTERCHANGEABLE
ROTOR,GYROSCOPE
611-0020-901
5815-00-799-5582INTERCHANGEABLE
GUARD,CENTER
162201

Frequently Asked Questions

What is NSN 6685-00-963-7250?

NSN 6685-00-963-7250 is a Thermocouple,immersion, manufactured by United Electric Controls Company, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-963-7250?

NSN 6685-00-963-7250 has 10 cross-referenced part numbers: 5582029217-1 (Rtx Corporation Div Pratt & Whitney), 6541A (Unison Industries, Llc Dba Unison Industries Inc), T1438 (United Electric Controls Company), 16220-1 (Engelhard Corp Specialty Div), ST-5569 (Temp-Pro Incorporated Dba Temp-Pro Inc) and 5 more.

What NSN replaces 6685-00-963-7250?

There are 12 known substitutes for 6685-00-963-7250: 3110-00-142-4314, 3110-00-156-6804, 6150-00-201-5575 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T1438?

Key specifications for T1438: Material: STEEL CORROSION RESISTING OVERALL; Terminal Type and Quantity: 2 THREADED STUD; Immersion Length: 2.400 INCHES NOMINAL IN; Unit Type: PROTECTIVE TUBE. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-963-7250 still in active supply?

NSN 6685-00-963-7250 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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