PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31922(4127)8693-2-515-542-SPyrometer,indicating

Leeds and Northrup Co a Unit of General Signal Corp · NSN 6685-01-070-2586 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-070-2586 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-070-2586. Primary manufacturer part number: 31922(4127)8693-2-515-542-S.
Features
  • Pyrometer,indicating — FSC 6685
  • Scale Type: DIAL
  • Scale Calibration: CALIBRATED TO IRON CONSTANTAN AND PLATINUM,13 PCT RHODIUM AND PLATINUM
  • Pointer/pen Type and Quantity: 8 INDICATING MULTIPLE
  • Measurement Type: POTENTIOMETER CIRCUIT
  • Case Type: CARRYING CASE W/HANDLE
  • Scale Smallest Increment: 2.0 DEG FAHRENHEIT
  • Scale Accuracy Rating: 2 PCT RANGE SPAN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pyrometer,indicating, cataloged under National Stock Number 6685-01-070-2586, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Leeds and Northrup Co a Unit of General Signal Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-070-2586
Primary Part Number31922(4127)8693-2-515-542-S
Item NamePyrometer,indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerLeeds and Northrup Co a Unit of General Signal Corp
StatusACTIVE
Scale TypeDIAL
Scale CalibrationCALIBRATED TO IRON CONSTANTAN AND PLATINUM,13 PCT RHODIUM AND PLATINUM
Pointer/pen Type and Quantity8 INDICATING MULTIPLE
Measurement TypePOTENTIOMETER CIRCUIT
Case TypeCARRYING CASE W/HANDLE
Scale Smallest Increment2.0 DEG FAHRENHEIT
Scale Accuracy Rating2 PCT RANGE SPAN
Scale Length27.500 INCHES NOMINAL IN
Scale Measurement Range+0.000 TO 700.000 DEG FAHRENHEIT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6250-00-350-9506 INTERCHANGEABLE
Lampholder
4730-00-359-30928-8CTXS INTERCHANGEABLE
Elbow,pipe to Tube
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
5360-00-738-07108693 INTERCHANGEABLE
Spring,helical,compression
Goodrich Corporation
4920-00-871-75738693 INTERCHANGEABLE
Test Set,dispenser
Bae Systems Information & Electronic Systems Integration Inc.
5940-01-123-3241ST4M220-4 INTERCHANGEABLE
Contact Strip,radio Frequency Gr
Tech-Etch, Inc. Dba Tech-Etch Inc
5310-01-160-7415869-07567 INTERCHANGEABLE
Nut
Aqua-Chem, Inc. Dba Aqua-Chem Inc
5905-01-174-7098 INTERCHANGEABLE
Resistor,thermal
6150-01-193-2521 INTERCHANGEABLE
Cable Assembly,power,electrical
5120-01-399-9885724 INTERCHANGEABLE
Wrench,adjustable
The Stanley Works Dba Stanley Proto
5935-01-667-6451RFD-1653-2 INTERCHANGEABLE
Connector,plug,electrical
R F Industries Ltd Div Rf Industries
Cross-Reference Index
Part NumberManufacturer
31922(4127)8693-2-515-542-S Leeds and Northrup Co a Unit of General Signal Corp (USA)
8693-2-515-542 Leeds and Northrup Co a Unit of General Signal Corp (USA)
8693 Leeds and Northrup Co a Unit of General Signal Corp (USA)
8693-2 Leeds and Northrup Co a Unit of General Signal Corp (USA)
Related Parts
6250-00-350-9506INTERCHANGEABLE
LAMPHOLDER
4730-00-359-3092INTERCHANGEABLE
ELBOW,PIPE TO TUBE
8-8CTXS
5360-00-738-0710INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
8693
4920-00-871-7573INTERCHANGEABLE
TEST SET,DISPENSER
8693
5940-01-123-3241INTERCHANGEABLE
CONTACT STRIP,RADIO FREQUENCY GR
ST4M220-4
5310-01-160-7415INTERCHANGEABLE
NUT
869-07567
5905-01-174-7098INTERCHANGEABLE
RESISTOR,THERMAL
6150-01-193-2521INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
5120-01-399-9885INTERCHANGEABLE
WRENCH,ADJUSTABLE
724
5935-01-667-6451INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
RFD-1653-2

Frequently Asked Questions

What is NSN 6685-01-070-2586?

NSN 6685-01-070-2586 is a Pyrometer,indicating, manufactured by Leeds and Northrup Co a Unit of General Signal Corp, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-070-2586?

NSN 6685-01-070-2586 has 4 cross-referenced part numbers: 31922(4127)8693-2-515-542-S (Leeds and Northrup Co a Unit of General Signal Corp), 8693-2-515-542 (Leeds and Northrup Co a Unit of General Signal Corp), 8693 (Leeds and Northrup Co a Unit of General Signal Corp), 8693-2 (Leeds and Northrup Co a Unit of General Signal Corp).

What NSN replaces 6685-01-070-2586?

There are 10 known substitutes for 6685-01-070-2586: 6250-00-350-9506, 4730-00-359-3092, 5360-00-738-0710 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31922(4127)8693-2-515-542-S?

Key specifications for 31922(4127)8693-2-515-542-S: Scale Type: DIAL; Scale Calibration: CALIBRATED TO IRON CONSTANTAN AND PLATINUM,13 PCT RHODIUM AND PLATINUM; Special Features: CASE HAS REMOVABLE LID; Pointer/pen Type and Quantity: 8 INDICATING MULTIPLE. 13 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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