PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53-2-BIndicator,temperature,thermocoup

Fluke Corp · NSN 6685-01-685-1940 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-685-1940 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-685-1940. Primary manufacturer part number: 53-2-B.
Features
  • Indicator,temperature,thermocoup — FSC 6685
  • Length: 173.0 MILLIMETERS NOMINAL MM
  • Presentation Type: DIGITAL DISPLAY
  • Width: 86.0 MILLIMETERS NOMINAL MM
  • Electrical Connection Quantity: 1
  • 1 verified cross-reference
  • Primary manufacturer: Fluke Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,temperature,thermocoup, cataloged under National Stock Number 6685-01-685-1940, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Fluke Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-685-1940
Primary Part Number53-2-B
Item NameIndicator,temperature,thermocoup
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerFluke Corp
StatusACTIVE
Length173.0 MILLIMETERS NOMINAL MM
Presentation TypeDIGITAL DISPLAY
Width86.0 MILLIMETERS NOMINAL MM
Electrical Connection Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-142-440718489 INTERCHANGEABLE
Cup,tapered Roller Bearing
Komatsu America Corporation
5935-00-258-9003532B INTERCHANGEABLE
Connector,plug,electrical
Hubbell-Raco Inc
5910-00-877-8771 INTERCHANGEABLE
Capacitor,variable,plastic Diele
Cross-Reference Index
Part NumberManufacturer
53-2-B PRIMARY Fluke Corp (USA)
Related Parts
3110-00-142-4407INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
18489
5935-00-258-9003INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
532B
5910-00-877-8771INTERCHANGEABLE
CAPACITOR,VARIABLE,PLASTIC DIELE

Frequently Asked Questions

What is NSN 6685-01-685-1940?

NSN 6685-01-685-1940 is a Indicator,temperature,thermocoup, manufactured by Fluke Corp, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-685-1940?

NSN 6685-01-685-1940 has 1 cross-referenced part number: 53-2-B (Fluke Corp).

What NSN replaces 6685-01-685-1940?

There are 3 known substitutes for 6685-01-685-1940: 3110-00-142-4407, 5935-00-258-9003, 5910-00-877-8771. Verify interchangeability with system specifications before substitution.

What are the specifications of 53-2-B?

Key specifications for 53-2-B: Part Name Assigned by Controlling Agency: THERMOCOUPLE THERMOETER/DATA LOGGER; Length: 173.0 MILLIMETERS NOMINAL MM; Presentation Type: DIGITAL DISPLAY; Width: 86.0 MILLIMETERS NOMINAL MM. 5 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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