PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51713Pyrometer,indicating

Frigitronics of Connecticut Inc · NSN 6685-01-319-6664 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-319-6664 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-319-6664. Primary manufacturer part number: 51713.
Features
  • Pyrometer,indicating — FSC 6685
  • Scale Length: 4.910 INCHES NOMINAL IN
  • Overall Thickness: 0.525 INCHES NOMINAL IN
  • Depth to Panel: 1.093 INCHES NOMINAL IN
  • Meter Body Diameter: 2.728 INCHES NOMINAL IN
  • Material: COPPER ALLOY THERMOCOUPLE WIRE
  • Measurement Type: THERMOELECTRICAL CIRCUIT
  • Style Designator: DIRECT READOUT, AUTOMATIC COMPENSATING
Applications
  • Applications requiring Copper Alloy Thermocouple Wire construction
General Description

The Pyrometer,indicating, cataloged under National Stock Number 6685-01-319-6664, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Frigitronics of Connecticut Inc. Government technical data includes 11 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-319-6664
Primary Part Number51713
Item NamePyrometer,indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerFrigitronics of Connecticut Inc
StatusACTIVE
Scale Length4.910 INCHES NOMINAL IN
Overall Thickness0.525 INCHES NOMINAL IN
Depth to Panel1.093 INCHES NOMINAL IN
Meter Body Diameter2.728 INCHES NOMINAL IN
MaterialCOPPER ALLOY THERMOCOUPLE WIRE
Measurement TypeTHERMOELECTRICAL CIRCUIT
Style DesignatorDIRECT READOUT, AUTOMATIC COMPENSATING
Scale TypeDIAL
Scale Measurement Range-200.000 TO 75.000 DEG CELSIUS
Purchase Description Identification51813-51713
Pointer/pen Type and Quantity1 INDICATING SINGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3020-00-517-174751713 INTERCHANGEABLE
Gear,spur
Superior Motion Controls, Inc. Dba Superior Motion Controls
3010-00-569-834650003 INTERCHANGEABLE
Coupling,shaft,rigid
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
51713 Frigitronics of Connecticut Inc (USA)
Related Parts
3020-00-517-1747INTERCHANGEABLE
GEAR,SPUR
51713
3010-00-569-8346INTERCHANGEABLE
COUPLING,SHAFT,RIGID
50003

Frequently Asked Questions

What is NSN 6685-01-319-6664?

NSN 6685-01-319-6664 is a Pyrometer,indicating, manufactured by Frigitronics of Connecticut Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-319-6664?

NSN 6685-01-319-6664 has 1 cross-referenced part number: 51713 (Frigitronics of Connecticut Inc).

What NSN replaces 6685-01-319-6664?

There are 2 known substitutes for 6685-01-319-6664: 3020-00-517-1747, 3010-00-569-8346. Verify interchangeability with system specifications before substitution.

What are the specifications of 51713?

Key specifications for 51713: Scale Length: 4.910 INCHES NOMINAL IN; Overall Thickness: 0.525 INCHES NOMINAL IN; Depth to Panel: 1.093 INCHES NOMINAL IN; Meter Body Diameter: 2.728 INCHES NOMINAL IN. 15 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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