PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

662001022Thermocouple,immersion

Alnor Instrument Company · NSN 6685-00-110-4870 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-110-4870 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-110-4870. Primary manufacturer part number: 662001022.
Features
  • Thermocouple,immersion — FSC 6685
  • Immersion Length: 4.125 INCHES NOMINAL IN
  • Mounting Facility Screw Thread Series Designator: NPT
  • Mounting Thread Quantity: 14 PER INCH
  • Mounting Facility Nominal Screw Thread Diameter: 0.500 INCHES IN
  • Unit Type: PROTECTIVE TUBE
  • Mounting Facility Type and Quantity: 1 THREAD
  • 5 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermocouple,immersion, cataloged under National Stock Number 6685-00-110-4870, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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
NSN6685-00-110-4870
Primary Part Number662001022
Item NameThermocouple,immersion
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAlnor Instrument Company
StatusACTIVE
Immersion Length4.125 INCHES NOMINAL IN
Mounting Facility Screw Thread Series DesignatorNPT
Mounting Thread Quantity14 PER INCH
Mounting Facility Nominal Screw Thread Diameter0.500 INCHES IN
Unit TypePROTECTIVE TUBE
Mounting Facility Type and Quantity1 THREAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-050-4203AS15001-1 INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
3110-00-183-74931195-32 INTERCHANGEABLE
Bearing,ball,annular
Sioux Tools Inc
3455-00-228-5218171621 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
6525-00-234-0176076-000007 INTERCHANGEABLE
Roller Assembly,processing Unit,
Afp Imaging Corp
8030-00-251-3980 INTERCHANGEABLE
Antiseize Compound
5360-00-297-3603000.238.0767N INTERCHANGEABLE
Spring,helical,compression
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
3820-00-429-7670 INTERCHANGEABLE
Driver
5950-00-651-7483767 INTERCHANGEABLE
Reactor
Vanguard Electronics, Llc
5340-00-737-0158 INTERCHANGEABLE
Bolt and Spacer Kit
3455-00-808-42961741-2000 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
Cross-Reference Index
Part NumberManufacturer
767 Alnor Instrument Company (USA)
N-16011-XB Noral Inc (USA)
662001022 PRIMARY Alnor Instrument Company (USA)
23420522 Fairbanks Morse, Llc (USA)
23420522 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
Related Parts
4730-00-050-4203INTERCHANGEABLE
FITTING,LUBRICATION
AS15001-1
3110-00-183-7493INTERCHANGEABLE
BEARING,BALL,ANNULAR
1195-32
3455-00-228-5218INTERCHANGEABLE
CUTTER,MILLING,END
171621
6525-00-234-0176INTERCHANGEABLE
ROLLER ASSEMBLY,PROCESSING UNIT,
076-000007
8030-00-251-3980INTERCHANGEABLE
ANTISEIZE COMPOUND
5360-00-297-3603INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
000.238.0767N
3820-00-429-7670INTERCHANGEABLE
DRIVER
5950-00-651-7483INTERCHANGEABLE
REACTOR
767
5340-00-737-0158INTERCHANGEABLE
BOLT AND SPACER KIT
3455-00-808-4296INTERCHANGEABLE
CUTTER,MILLING,END
1741-2000
5950-00-902-7066INTERCHANGEABLE
TRANSFORMER,POWER
4520-00-921-5814INTERCHANGEABLE
HEATER,SPACE,ELECTRIC
P17-3

Frequently Asked Questions

What is NSN 6685-00-110-4870?

NSN 6685-00-110-4870 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 6685-00-110-4870?

NSN 6685-00-110-4870 has 5 cross-referenced part numbers: 767 (Alnor Instrument Company), N-16011-XB (Noral Inc), 662001022 (Alnor Instrument Company), 23420522 (Fairbanks Morse, Llc), 23420522 (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco).

What NSN replaces 6685-00-110-4870?

There are 12 known substitutes for 6685-00-110-4870: 4730-00-050-4203, 3110-00-183-7493, 3455-00-228-5218 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 662001022?

Key specifications for 662001022: Immersion Length: 4.125 INCHES NOMINAL IN; Mounting Facility Screw Thread Series Designator: NPT; Overall Length: 9.500 INCHES NOMINAL IN; Mounting Thread Quantity: 14 PER INCH. 7 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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