PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43R1Resistor,thermal

Measurement Specialties, Inc. · NSN 5905-00-295-4912 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-295-4912 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-295-4912. Primary manufacturer part number: 43R1.
Features
  • Resistor,thermal — FSC 5905
  • Ambient Temp at Full Rated Power: 110.0 CELSIUS DEGC
  • Power Dissipation Constant in Milliwatts Per Deg Celsius: 5.5
  • Zero Power Temp Coefficient of Resistance in Percent Per Deg Celsius: -4.40
  • Body Outside Diameter: 0.219 INCHES MAXIMUM IN
  • Inclosure Type: ENCAPSULATED
  • Zero Power Resistance at Specified Temp: 11.0 KILOHMS THIRD RESISTANCE-TEMPERATURE POINT
  • Zero Power Resistance: 31.500 KILOHMS
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,thermal, cataloged under National Stock Number 5905-00-295-4912, 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 Measurement Specialties, Inc.. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-295-4912
Primary Part Number43R1
Item NameResistor,thermal
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerMeasurement Specialties, Inc.
StatusCANCELLED
Ambient Temp at Full Rated Power110.0 CELSIUS DEGC
Power Dissipation Constant in Milliwatts Per Deg Celsius5.5
Zero Power Temp Coefficient of Resistance in Percent Per Deg Celsius-4.40
Body Outside Diameter0.219 INCHES MAXIMUM IN
Inclosure TypeENCAPSULATED
Zero Power Resistance at Specified Temp11.0 KILOHMS THIRD RESISTANCE-TEMPERATURE POINT
Zero Power Resistance31.500 KILOHMS
Zero Power Resistance at Specified Temp2.0 MEGOHMS FIRST RESISTANCE-TEMPERATURE POINT
Resistance Tolerance at a Specified Temp in Percent-15.0 TO 15.0 ALL RESISTANCE-TEMPERATURE POINTS
Temp Points for Resistance Readings at Zero Power-50.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC
Temp Points for Resistance Readings at Zero Power0.0 CELSIUS SECOND RESISTANCE-TEMPERATURE POINT DEGC
Zero Power Resistance at Specified Temp24.3 OHMS EIGHTH RESISTANCE-TEMPERATURE POINT
Body Length0.938 INCHES MAXIMUM IN
Maximum Operating Temp150.0 CELSIUS DEGC
Style DesignatorROD
Zero Power Resistance Tolerance in Percent at Reference Temp-10.0 TO 10.0
Temp Points for Resistance Readings at Zero Power150.0 CELSIUS FIFTH RESISTANCE-TEMPERATURE POINT DEGC
Thermal Time Constant in Seconds50.0
Temp Points for Resistance Readings at Zero Power100.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT DEGC
Zero Power Resistance at Specified Temp598.5 OHMS FIFTH RESISTANCE-TEMPERATURE POINT
Terminal Type and Quantity2 WIRE LEAD
Zero Power Resistance at Specified Temp94.5 OHMS SEVENTH RESISTANCE-TEMPERATURE POINT
Zero Power Resistance at Specified Temp94.5 KILOHMS SECOND RESISTANCE-TEMPERATURE POINT
Terminal Diameter0.020 INCHES NOMINAL IN
Temp Points for Resistance Readings at Zero Power50.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT DEGC
Zero Power Resistance at Specified Temp2.0 KILOHMS FOURTH RESISTANCE-TEMPERATURE POINT
Zero Power Resistance at Specified Temp204.8 OHMS SIXTH RESISTANCE-TEMPERATURE POINT
Terminal Length1.375 INCHES MINIMUM IN
Temp Points for Resistance Readings at Zero Power200.0 CELSIUS SIXTH RESISTANCE-TEMPERATURE POINT DEGC
Temp Points for Resistance Readings at Zero Power300.0 CELSIUS EIGHTH RESISTANCE-TEMPERATURE POINT DEGC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6510-00-105-5807 INTERCHANGEABLE
Bandage,elastic
5120-00-144-2092 INTERCHANGEABLE
Chuck,stud
5340-00-164-0899 INTERCHANGEABLE
Connector,rod End
5340-00-294-50411583 INTERCHANGEABLE
Handle,door
Adams Rite Aerospace, Inc
5970-00-409-77712529 INTERCHANGEABLE
Insulator Strip
Gifft T H Co Inc
9540-00-542-2759 INTERCHANGEABLE
Beam,structural
5965-00-651-4350703-033-950 INTERCHANGEABLE
Microphone Element
Stromberg-Carlson Corp a Plessey Telecommunications Co
5910-00-686-8674158-0003-001 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Viking Technologies, Ltd.
5905-00-923-9766RA43L1 INTERCHANGEABLE
Resistor,thermal
Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems
5905-01-020-1176S51NA60Y120 INTERCHANGEABLE
Resistor,thermal
Minco Products Inc
Cross-Reference Index
Part NumberManufacturer
43R1 Measurement Specialties, Inc. (USA)
1583 Ballantine Laboratories Inc (USA)
05C0530G01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
RA43L1 Honeywell International Inc. Dba Honeywell Div Sensing & Control (USA)
43R1 Meas Us Llc Dba Measurement Specialties Div Temperature Products Group (USA)
Related Parts
6510-00-105-5807INTERCHANGEABLE
BANDAGE,ELASTIC
5120-00-144-2092INTERCHANGEABLE
CHUCK,STUD
5340-00-164-0899INTERCHANGEABLE
CONNECTOR,ROD END
5340-00-294-5041INTERCHANGEABLE
HANDLE,DOOR
1583
5970-00-409-7771INTERCHANGEABLE
INSULATOR STRIP
2529
9540-00-542-2759INTERCHANGEABLE
BEAM,STRUCTURAL
5965-00-651-4350INTERCHANGEABLE
MICROPHONE ELEMENT
703-033-950
5910-00-686-8674INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
158-0003-001
5905-00-923-9766INTERCHANGEABLE
RESISTOR,THERMAL
RA43L1
5905-01-020-1176INTERCHANGEABLE
RESISTOR,THERMAL
S51NA60Y120
5330-01-027-4565INTERCHANGEABLE
GASKET
1583
2530-01-071-8696INTERCHANGEABLE
HUB CAP,WHEEL
158-3

Frequently Asked Questions

What is NSN 5905-00-295-4912?

NSN 5905-00-295-4912 is a Resistor,thermal, manufactured by Measurement Specialties, Inc., classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-295-4912?

NSN 5905-00-295-4912 has 5 cross-referenced part numbers: 43R1 (Measurement Specialties, Inc.), 1583 (Ballantine Laboratories Inc), 05C0530G01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), RA43L1 (Honeywell International Inc. Dba Honeywell Div Sensing & Control), 43R1 (Meas Us Llc Dba Measurement Specialties Div Temperature Products Group).

What NSN replaces 5905-00-295-4912?

There are 12 known substitutes for 5905-00-295-4912: 6510-00-105-5807, 5120-00-144-2092, 5340-00-164-0899 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43R1?

Key specifications for 43R1: Ambient Temp at Full Rated Power: 110.0 CELSIUS DEGC; Power Dissipation Constant in Milliwatts Per Deg Celsius: 5.5; Zero Power Temp Coefficient of Resistance in Percent Per Deg Celsius: -4.40; Body Outside Diameter: 0.219 INCHES MAXIMUM IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-295-4912 still in active supply?

NSN 5905-00-295-4912 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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