PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

666007019Thermocouple,immersion

Alnor Instrument Company · NSN 6685-00-821-5470 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-821-5470 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-821-5470. Primary manufacturer part number: 666007019.
Features
  • Thermocouple,immersion — FSC 6685
  • Terminal Type and Quantity: 2 SCREW
  • Accommodated Wire Awg Size: 18
  • Operating Temp Range: +0.0 TO 1200.0 FAHRENHEIT DEGF
  • Unit Type: EXPOSED LOOP
  • Immersion Length: 5.250 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Alnor Instrument Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermocouple,immersion, cataloged under National Stock Number 6685-00-821-5470, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Alnor Instrument Company. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-821-5470
Primary Part Number666007019
Item NameThermocouple,immersion
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAlnor Instrument Company
StatusACTIVE
Terminal Type and Quantity2 SCREW
Accommodated Wire Awg Size18
Operating Temp Range+0.0 TO 1200.0 FAHRENHEIT DEGF
Unit TypeEXPOSED LOOP
Immersion Length5.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3010-00-007-9622149-9-1 INTERCHANGEABLE
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Hansen Mfg Co Inc
2540-00-113-4180 INTERCHANGEABLE
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5120-00-224-3164 INTERCHANGEABLE
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5305-00-349-81834130 INTERCHANGEABLE
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Wakmann Watch Company Inc
5905-00-393-242916101-4 INTERCHANGEABLE
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Ward Leonard Ct Llc
4320-00-422-9805 INTERCHANGEABLE
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4820-00-580-301141-30 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
5305-00-723-51744310 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
5360-00-788-1547275479 INTERCHANGEABLE
Spring,helical,compression
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5905-00-945-36244130 INTERCHANGEABLE
Resistor,fixed,wire Wound,nonind
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
Cross-Reference Index
Part NumberManufacturer
666007019 PRIMARY Alnor Instrument Company (USA)
4130 Alnor Instrument Company (USA)
Related Parts
3010-00-007-9622INTERCHANGEABLE
GEARCASE-MOTOR
149-9-1
2540-00-113-4180INTERCHANGEABLE
HEATER,VEHICULAR,COMPARTMENT
5120-00-224-3164INTERCHANGEABLE
WRENCH,OPEN END BOX
5305-00-349-8183INTERCHANGEABLE
SCREW,ADAPTER
4130
5905-00-393-2429INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
16101-4
4320-00-422-9805INTERCHANGEABLE
RAM,HYDRAULIC
4820-00-580-3011INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
41-30
5305-00-723-5174INTERCHANGEABLE
SCREW,SHOULDER
4310
5360-00-788-1547INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
275479
5905-00-945-3624INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,NONIND
4130
3040-00-955-3127INTERCHANGEABLE
SHAFT,SHOULDERED
DS-934704
6532-01-016-4741INTERCHANGEABLE
FOOTWEAR COVERS,OPERATING ROOM
4130

Frequently Asked Questions

What is NSN 6685-00-821-5470?

NSN 6685-00-821-5470 is a Thermocouple,immersion, manufactured by Alnor Instrument Company, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-821-5470?

NSN 6685-00-821-5470 has 2 cross-referenced part numbers: 666007019 (Alnor Instrument Company), 4130 (Alnor Instrument Company).

What NSN replaces 6685-00-821-5470?

There are 12 known substitutes for 6685-00-821-5470: 3010-00-007-9622, 2540-00-113-4180, 5120-00-224-3164 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 666007019?

Key specifications for 666007019: Terminal Type and Quantity: 2 SCREW; Accommodated Wire Awg Size: 18; Overall Length: 7.875 INCHES NOMINAL IN; Operating Temp Range: +0.0 TO 1200.0 FAHRENHEIT DEGF. 6 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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