PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P320A52Resistor,thermal

Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S · NSN 5905-00-549-7436 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-549-7436 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-549-7436. Primary manufacturer part number: P320A52.
Features
  • Resistor,thermal — FSC 5905
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.000 INCHES NOMINAL IN
  • Power Dissipation Constant in Milliwatts Per Deg Celsius: 150.0
  • Inclosure Type: ENCAPSULATED
  • Temp Points for Resistance Readings at Zero Power: 125.0 CELSIUS SIXTH RESISTANCE-TEMPERATURE POINT DEGC
  • Resistance Tolerance at a Specified Temp in Percent: -10.0 TO 10.0 ALL RESISTANCE-TEMPERATURE POINTS
  • Zero Power Resistance at Specified Temp: 49.3 OHMS FIFTH RESISTANCE-TEMPERATURE POINT
  • Temp Points for Resistance Readings at Zero Power: 150.0 CELSIUS SEVENTH RESISTANCE-TEMPERATURE POINT DEGC
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,thermal, cataloged under National Stock Number 5905-00-549-7436, 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 Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 27 commercial cross-references from 21 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
NSN5905-00-549-7436
Primary Part NumberP320A52
Item NameResistor,thermal
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerItt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
StatusCANCELLED
Center to Center Distance Between Mounting Facilities Parallel to Length1.000 INCHES NOMINAL IN
Power Dissipation Constant in Milliwatts Per Deg Celsius150.0
Inclosure TypeENCAPSULATED
Temp Points for Resistance Readings at Zero Power125.0 CELSIUS SIXTH RESISTANCE-TEMPERATURE POINT DEGC
Resistance Tolerance at a Specified Temp in Percent-10.0 TO 10.0 ALL RESISTANCE-TEMPERATURE POINTS
Zero Power Resistance at Specified Temp49.3 OHMS FIFTH RESISTANCE-TEMPERATURE POINT
Temp Points for Resistance Readings at Zero Power150.0 CELSIUS SEVENTH RESISTANCE-TEMPERATURE POINT DEGC
Temp Points for Resistance Readings at Zero Power-60.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC
Zero Power Resistance725.000 OHMS
Terminal Type and Quantity1 WIRE LEAD
Temp Points for Resistance Readings at Zero Power100.0 CELSIUS FIFTH RESISTANCE-TEMPERATURE POINT DEGC
Zero Power Resistance at Specified Temp2.2 KILOHMS SECOND RESISTANCE-TEMPERATURE POINT
Zero Power Resistance at Specified Temp13.1 OHMS SEVENTH RESISTANCE-TEMPERATURE POINT
Zero Power Resistance at Specified Temp116.0 OHMS FOURTH RESISTANCE-TEMPERATURE POINT
Zero Power Resistance at Specified Temp24.7 OHMS SIXTH RESISTANCE-TEMPERATURE POINT
Style DesignatorDISK ON SURFACE PLATE
Zero Power Resistance at Specified Temp261.0 OHMS THIRD RESISTANCE-TEMPERATURE POINT
Temp Points for Resistance Readings at Zero Power75.0 CELSIUS FOURTH RESISTANCE-TEMPERATURE POINT DEGC
Zero Power Resistance at Specified Temp11.6 KILOHMS FIRST RESISTANCE-TEMPERATURE POINT
Temp Points for Resistance Readings at Zero Power50.0 CELSIUS THIRD RESISTANCE-TEMPERATURE POINT DEGC
Zero Power Resistance Tolerance in Percent at Reference Temp-5.0 TO 5.0
Zero Power Resistance at Specified Temp1.2 OHMS EIGHTH RESISTANCE-TEMPERATURE POINT
Temp Points for Resistance Readings at Zero Power0.0 CELSIUS SECOND RESISTANCE-TEMPERATURE POINT DEGC
Temp Points for Resistance Readings at Zero Power300.0 CELSIUS EIGHTH RESISTANCE-TEMPERATURE POINT DEGC
Terminal Length3.770 INCHES MINIMUM IN
Thermal Time Constant in Seconds80.0
Maximum Operating Temp200.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-167-0835NAS1149F0432P INTERCHANGEABLE
Washer,flat
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
5133-00-189-9265 INTERCHANGEABLE
Drill,twist
5360-00-412-9741 INTERCHANGEABLE
Spring
1660-00-715-731180177 INTERCHANGEABLE
Refrigeration Unit,air Cycle,air
Honeywell International Inc. Div Aerospace - Torrance
4820-00-752-9929 INTERCHANGEABLE
Valve,angle
5945-00-853-602424095 INTERCHANGEABLE
Solenoid,electrical
Cole Hersee Company
5950-00-941-8039 INTERCHANGEABLE
Transf0rmer
5840-01-046-898980177 INTERCHANGEABLE
Plate,insulation
L3harris Technologies, Inc Div Space & Airborne Systems
5310-01-118-2351901813 INTERCHANGEABLE
Washer,flat
L3 Technologies, Inc. Div L3 Keo
6110-01-211-470924095 INTERCHANGEABLE
Controller,motor
Ward Leonard Ct Llc
Cross-Reference Index
Part NumberManufacturer
RE1066-1 Airadio Co Inc (USA)
D168391 American Telephone and Telegraph Co (USA)
RTD3 Federal Div of Victoreen Instrument Co Inc (USA)
24095 Peraton Inc (USA)
19MS715-1 Keysight Technologies, Inc. (USA)
27D1 Victory Engineering Co (USA)
P320A52 PRIMARY Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA)
19MS715-1 Hewlett-Packard Company Dba HP (USA)
BA112600-2 Western Union Telegraph Co Sub of Western Union Corp (USA)
19MS715-1 PRIMARY Keysight Technologies Inc (USA)
0839-0003 Keysight Technologies, Inc. (USA)
666068-553 Stromberg-Carlson Corp a Plessey Telecommunications Co (USA)
1253-0003 Hewlett-Packard Company Dba HP (USA)
0839-0003 Hewlett-Packard Company Dba HP (USA)
1P-4100 Mepco/electra Inc (USA)
D168391 Western Union Telegraph Co Sub of Western Union Corp (USA)
B851639 Herley Chicago Dba Stewart Warner Electronics (USA)
LA27S1 Honeywell International Inc. Dba Honeywell Div Sensing & Control (USA)
901813 Navantia - Propulsion Y Energia Motores - Cartagena (ESP)
24095 PRIMARY Telephonics Corp/prd Instruments (USA)
Related Parts
5310-00-167-0835INTERCHANGEABLE
WASHER,FLAT
NAS1149F0432P
5133-00-189-9265INTERCHANGEABLE
DRILL,TWIST
5360-00-412-9741INTERCHANGEABLE
SPRING
1660-00-715-7311INTERCHANGEABLE
REFRIGERATION UNIT,AIR CYCLE,AIR
80177
4820-00-752-9929INTERCHANGEABLE
VALVE,ANGLE
5945-00-853-6024INTERCHANGEABLE
SOLENOID,ELECTRICAL
24095
5950-00-941-8039INTERCHANGEABLE
TRANSF0RMER
5840-01-046-8989INTERCHANGEABLE
PLATE,INSULATION
80177
5310-01-118-2351INTERCHANGEABLE
WASHER,FLAT
901813
6110-01-211-4709INTERCHANGEABLE
CONTROLLER,MOTOR
24095
2090-01-283-3325INTERCHANGEABLE
LOCKER,BERTH,CREW
804-5959312,DET27D,35E,SZ1
6515-01-296-9904INTERCHANGEABLE
BONE PLATE
240.95

Frequently Asked Questions

What is NSN 5905-00-549-7436?

NSN 5905-00-549-7436 is a Resistor,thermal, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-549-7436?

NSN 5905-00-549-7436 has 27 cross-referenced part numbers: RE1066-1 (Airadio Co Inc), D168391 (American Telephone and Telegraph Co), RTD3 (Federal Div of Victoreen Instrument Co Inc), 24095 (Peraton Inc), 19MS715-1 (Keysight Technologies, Inc.) and 22 more.

What NSN replaces 5905-00-549-7436?

There are 12 known substitutes for 5905-00-549-7436: 5310-00-167-0835, 5133-00-189-9265, 5360-00-412-9741 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P320A52?

Key specifications for P320A52: Overall Length: 1.250 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.000 INCHES NOMINAL IN; Overall Height: 0.312 INCHES NOMINAL IN; Power Dissipation Constant in Milliwatts Per Deg Celsius: 150.0. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-549-7436 still in active supply?

NSN 5905-00-549-7436 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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