PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

666068-540Resistor,thermal

Stromberg-Carlson Corp a Plessey Telecommunications Co · NSN 5905-00-539-2095 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-539-2095 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-539-2095. Primary manufacturer part number: 666068-540.
Features
  • Resistor,thermal — FSC 5905
  • Zero Power Resistance Tolerance in Percent at Reference Temp: -25.0 TO 25.0
  • Terminal Diameter: 0.020 INCHES NOMINAL IN
  • Zero Power Temp Coefficient of Resistance in Percent Per Deg Celsius: -3.40
  • Power Dissipation Constant in Milliwatts Per Deg Celsius: 0.1
  • Terminal Length: 1.875 INCHES NOMINAL IN
  • Thermal Time Constant in Seconds: 60.0
  • Body Outside Diameter: 0.156 INCHES NOMINAL IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,thermal, cataloged under National Stock Number 5905-00-539-2095, is classified within Federal Supply Class 5905 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Stromberg-Carlson Corp a Plessey Telecommunications Co. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-539-2095
Primary Part Number666068-540
Item NameResistor,thermal
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerStromberg-Carlson Corp a Plessey Telecommunications Co
StatusCANCELLED
Zero Power Resistance Tolerance in Percent at Reference Temp-25.0 TO 25.0
Terminal Diameter0.020 INCHES NOMINAL IN
Zero Power Temp Coefficient of Resistance in Percent Per Deg Celsius-3.40
Power Dissipation Constant in Milliwatts Per Deg Celsius0.1
Terminal Length1.875 INCHES NOMINAL IN
Thermal Time Constant in Seconds60.0
Body Outside Diameter0.156 INCHES NOMINAL IN
Reference Temp in Deg Celsius25.0
Maximum Operating Temp300.0 CELSIUS DEGC
Body Length0.400 INCHES MAXIMUM IN
Maximum Current Rating0.025 AMPERES
Zero Power Resistance2.000 KILOHMS
Inclosure TypeENCAPSULATED
Ambient Temp at Full Rated Power25.0 CELSIUS DEGC
Style DesignatorBEAD TYPE EVACUATED OR GAS FILLED ENVELOPE
Terminal Type and Quantity2 WIRE LEAD
Surface TreatmentNICKEL AND TIN TERMINAL
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5905-00-175-5449 INTERCHANGEABLE
Resistor,thermal
5905-00-501-6099354A5028 INTERCHANGEABLE
Resistor,thermal
Roper Industries Inc Roper Pump Co Div
5999-01-275-435932-A-3 INTERCHANGEABLE
Module,outlet
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Cross-Reference Index
Part NumberManufacturer
666068-540 PRIMARY Stromberg-Carlson Corp a Plessey Telecommunications Co (USA)
32A3 Meas Us Llc Dba Measurement Specialties Div Temperature Products Group (USA)
D166382 American Telephone and Telegraph Co (USA)
ESL652535 American Telephone and Telegraph Co (USA)
0839-0004 Hewlett-Packard Company Dba HP (USA)
D166382 Western Union Telegraph Co Sub of Western Union Corp (USA)
Related Parts
5905-00-175-5449INTERCHANGEABLE
RESISTOR,THERMAL
5905-00-501-6099INTERCHANGEABLE
RESISTOR,THERMAL
354A5028
5999-01-275-4359INTERCHANGEABLE
MODULE,OUTLET
32-A-3

Frequently Asked Questions

What is NSN 5905-00-539-2095?

NSN 5905-00-539-2095 is a Resistor,thermal, manufactured by Stromberg-Carlson Corp a Plessey Telecommunications Co, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-539-2095?

NSN 5905-00-539-2095 has 6 cross-referenced part numbers: 666068-540 (Stromberg-Carlson Corp a Plessey Telecommunications Co), 32A3 (Meas Us Llc Dba Measurement Specialties Div Temperature Products Group), D166382 (American Telephone and Telegraph Co), ESL652535 (American Telephone and Telegraph Co), 0839-0004 (Hewlett-Packard Company Dba HP) and 1 more.

What NSN replaces 5905-00-539-2095?

There are 3 known substitutes for 5905-00-539-2095: 5905-00-175-5449, 5905-00-501-6099, 5999-01-275-4359. Verify interchangeability with system specifications before substitution.

What are the specifications of 666068-540?

Key specifications for 666068-540: Zero Power Resistance Tolerance in Percent at Reference Temp: -25.0 TO 25.0; Terminal Diameter: 0.020 INCHES NOMINAL IN; Zero Power Temp Coefficient of Resistance in Percent Per Deg Celsius: -3.40; Power Dissipation Constant in Milliwatts Per Deg Celsius: 0.1. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-539-2095 still in active supply?

NSN 5905-00-539-2095 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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