PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

123-89Resistor,thermal

Avionics Specialties, Inc. · NSN 5905-00-065-4767 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-065-4767 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-065-4767. Primary manufacturer part number: 123-89.
Features
  • Resistor,thermal — FSC 5905
  • Thermal Time Constant in Seconds: 20.0
  • Temp Points for Resistance Readings at Zero Power: 50.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT DEGC
  • Zero Power Resistance at Specified Temp: 36.0 KILOHMS THIRD RESISTANCE-TEMPERATURE POINT
  • Temp Points for Resistance Readings at Zero Power: 100.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT DEGC
  • Zero Power Resistance at Specified Temp: 3.4 MEGOHMS FIRST RESISTANCE-TEMPERATURE POINT
  • Style Designator: ROD
  • Temp Points for Resistance Readings at Zero Power: -40.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,thermal, cataloged under National Stock Number 5905-00-065-4767, 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 Avionics Specialties, Inc.. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-065-4767
Primary Part Number123-89
Item NameResistor,thermal
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerAvionics Specialties, Inc.
StatusACTIVE
Thermal Time Constant in Seconds20.0
Temp Points for Resistance Readings at Zero Power50.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT DEGC
Zero Power Resistance at Specified Temp36.0 KILOHMS THIRD RESISTANCE-TEMPERATURE POINT
Temp Points for Resistance Readings at Zero Power100.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT DEGC
Zero Power Resistance at Specified Temp3.4 MEGOHMS FIRST RESISTANCE-TEMPERATURE POINT
Style DesignatorROD
Temp Points for Resistance Readings at Zero Power-40.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC
Zero Power Resistance Tolerance in Percent at Reference Temp-3.0 TO 3.0
Resistance Tolerance at a Specified Temp in Percent-15.0 TO 15.0 ALL RESISTANCE-TEMPERATURE POINTS
Ambient Temp at Full Rated Power25.0 CELSIUS DEGC
Terminal Length1.375 INCHES NOMINAL IN
Terminal Type and Quantity2 WIRE LEAD
Terminal Diameter0.016 INCHES NOMINAL IN
Power Dissipation Constant in Milliwatts Per Deg Celsius2.5
Zero Power Resistance at Specified Temp556.0 KILOHMS SECOND RESISTANCE-TEMPERATURE POINT
Reliability IndicatorNOT ESTABLISHED
Body Length0.500 INCHES NOMINAL IN
Body Outside Diameter0.053 INCHES NOMINAL IN
Maximum Operating Temp125.0 CELSIUS DEGC
Zero Power Resistance at Specified Temp6.8 KILOHMS FOURTH RESISTANCE-TEMPERATURE POINT
Temp Points for Resistance Readings at Zero Power-10.0 CELSIUS SECOND RESISTANCE-TEMPERATURE POINT DEGC
Inclosure TypeENCAPSULATED
Zero Power Resistance100.000 KILOHMS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-188-0546 INTERCHANGEABLE
Screw,machine
5133-00-228-1412 INTERCHANGEABLE
Drill,twist
6150-00-237-9981012393-000 INTERCHANGEABLE
Lead,storage Battery
Saft America Inc. Dba Tadiran Batteries Div Aviation Division
5970-00-253-987212393 INTERCHANGEABLE
Insulator,bushing
Aerocontrolex Group, Inc. Div Talley Actuators
5905-00-371-9647413616-1 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
3530-00-449-398712393 INTERCHANGEABLE
Body,shuttle
Singer Industrial Sewing Products Co Cutters Exchange Div
5330-00-718-831212389 INTERCHANGEABLE
Gasket
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5330-00-872-635212389 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
3020-00-970-8232 INTERCHANGEABLE
Gear,spur
5950-01-020-301312389 INTERCHANGEABLE
Transf0rmer,electri
Standex Electronics, Inc.
Cross-Reference Index
Part NumberManufacturer
140-0110881 Pegasus Inc (USA)
A123-93 Avionics Specialties, Inc. (USA)
123-89 PRIMARY Avionics Specialties, Inc. (USA)
QA51J2 Honeywell International Inc. Dba Honeywell Div Sensing & Control (USA)
QA51J2 Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems (USA)
123-93 Avionics Specialties, Inc. (USA)
Related Parts
5305-00-188-0546INTERCHANGEABLE
SCREW,MACHINE
5133-00-228-1412INTERCHANGEABLE
DRILL,TWIST
6150-00-237-9981INTERCHANGEABLE
LEAD,STORAGE BATTERY
012393-000
5970-00-253-9872INTERCHANGEABLE
INSULATOR,BUSHING
12393
5905-00-371-9647INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
413616-1
3530-00-449-3987INTERCHANGEABLE
BODY,SHUTTLE
12393
5330-00-718-8312INTERCHANGEABLE
GASKET
12389
5330-00-872-6352INTERCHANGEABLE
SEAL,PLAIN ENCASED
12389
3020-00-970-8232INTERCHANGEABLE
GEAR,SPUR
5950-01-020-3013INTERCHANGEABLE
TRANSF0RMER,ELECTRI
12389
5930-01-159-9896INTERCHANGEABLE
SWITCH,SENSITIVE
5331-01-274-9731INTERCHANGEABLE
O-RING
12393

Frequently Asked Questions

What is NSN 5905-00-065-4767?

NSN 5905-00-065-4767 is a Resistor,thermal, manufactured by Avionics Specialties, Inc., classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-065-4767?

NSN 5905-00-065-4767 has 6 cross-referenced part numbers: 140-0110881 (Pegasus Inc), A123-93 (Avionics Specialties, Inc.), 123-89 (Avionics Specialties, Inc.), QA51J2 (Honeywell International Inc. Dba Honeywell Div Sensing & Control), QA51J2 (Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems) and 1 more.

What NSN replaces 5905-00-065-4767?

There are 12 known substitutes for 5905-00-065-4767: 5305-00-188-0546, 5133-00-228-1412, 6150-00-237-9981 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 123-89?

Key specifications for 123-89: Thermal Time Constant in Seconds: 20.0; Temp Points for Resistance Readings at Zero Power: 50.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT DEGC; Zero Power Resistance at Specified Temp: 36.0 KILOHMS THIRD RESISTANCE-TEMPERATURE POINT; Temp Points for Resistance Readings at Zero Power: 100.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT DEGC. 24 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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