PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN6520-4A-110Tester,pyrometer and Thermocoupl

Analogic Corp Data Conversion Products Div · NSN 6685-01-187-4083 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-187-4083 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-187-4083. Primary manufacturer part number: AN6520-4A-110.
Features
  • Tester,pyrometer and Thermocoupl — FSC 6685
  • Overall Diameter: 6.000 INCHES NOMINAL IN
  • 5 verified cross-references
  • Primary manufacturer: Analogic Corp Data Conversion Products Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tester,pyrometer and Thermocoupl, cataloged under National Stock Number 6685-01-187-4083, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Analogic Corp Data Conversion Products Div. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-01-187-4083
Primary Part NumberAN6520-4A-110
Item NameTester,pyrometer and Thermocoupl
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAnalogic Corp Data Conversion Products Div
StatusCANCELLED
Overall Diameter6.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3010-00-580-101831SS INTERCHANGEABLE
Universal Joint,nonvehicular
Gray and Prior Machine Co
2530-00-736-611510NB0938 INTERCHANGEABLE
Arm Lever Hand Brak
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
Cross-Reference Index
Part NumberManufacturer
OMNI-CAL-4A Omega Engineering, Inc. (USA)
AN6520-4A-110 PRIMARY Analogic Corp Data Conversion Products Div (USA)
DIGI-CAL II Analogic Corp Data Conversion Products Div (USA)
C-65-4 PRIMARY Palmer Wahl Instruments Inc. (USA)
C-65-4A Palmer Wahl Instruments Inc. (USA)
Related Parts
3010-00-580-1018INTERCHANGEABLE
UNIVERSAL JOINT,NONVEHICULAR
31SS
2530-00-736-6115INTERCHANGEABLE
ARM LEVER HAND BRAK
10NB0938

Frequently Asked Questions

What is NSN 6685-01-187-4083?

NSN 6685-01-187-4083 is a Tester,pyrometer and Thermocoupl, manufactured by Analogic Corp Data Conversion Products Div, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-01-187-4083?

NSN 6685-01-187-4083 has 5 cross-referenced part numbers: OMNI-CAL-4A (Omega Engineering, Inc.), AN6520-4A-110 (Analogic Corp Data Conversion Products Div), DIGI-CAL II (Analogic Corp Data Conversion Products Div), C-65-4 (Palmer Wahl Instruments Inc.), C-65-4A (Palmer Wahl Instruments Inc.).

What NSN replaces 6685-01-187-4083?

There are 2 known substitutes for 6685-01-187-4083: 3010-00-580-1018, 2530-00-736-6115. Verify interchangeability with system specifications before substitution.

What are the specifications of AN6520-4A-110?

Key specifications for AN6520-4A-110: Overall Length: 12.250 INCHES NOMINAL IN; Overall Diameter: 6.000 INCHES NOMINAL IN; Special Features: THERMOCOUPLE CALIBRATOR; WEIGHT 9.5 LBS; RECHARGEABLE INTERNAL NICKEL CADMIUM BATTERY PACK; 7 DIGIT, 7 SEGMENT DISPLAY; RANGE DEPENDS ON SENSOR USED, CAN BE FROM -422 TO +2501 DEG F; RESOLUTION 0.1 DEG LBS; Overall Width: 8.000 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-01-187-4083 still in active supply?

NSN 6685-01-187-4083 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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