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431561 — RESISTOR,VARIABLE,WIRE WOUND,PRE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

431561: RESISTOR,VARIABLE,WIRE WOUND,PRE.

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include body_style: CYLINDRICAL SERVO MOUNTED, body_length: 1.573 INCHES NOMINAL IN, shaft_style: ROUND, bearing_type: BALL SHAFT, pilot_length: 0.0620 INCHES NOMINAL IN, shaft_length: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5905-01-049-3135, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 431561
NSN: 5905-01-049-3135
FSC: 5905 — Resistor
CAGE: 36378 — RAYTHEON TECHNICAL SERVICES COMPANY (USA)
SPECIFICATIONS
body_styleCYLINDRICAL SERVO MOUNTED
body_length1.573 INCHES NOMINAL IN
shaft_styleROUND
bearing_typeBALL SHAFT
pilot_length0.0620 INCHES NOMINAL IN
shaft_length0.750 INCHES NOMINAL IN
shaft_runout0.002 INCHES IN
actuator_typeSINGLE SHAFT
body_diameter0.875 INCHES NOMINAL IN
lateral_runout0.002 INCHES IN
pilot_diameter0.6250 INCHES MAXIMUM IN
shaft_diameter0.1248 INCHES MAXIMUM IN
NSN5905-01-049-3135
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN 431561 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
MAXIMUM RUNNING TORQUE: 0.30 INCH-OUNCES IN
•
BODY DIAMETER: 0.875 INCHES NOMINAL IN
•
LATERAL RUNOUT: 0.002 INCHES IN
•
ELECTRICAL RESISTANCE PER SECTION: 2.0 KILOHMS SINGLE SECTION
•
MOUNTING LIP DEPTH: 0.0620 INCHES NOMINAL IN
•
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 125.0 SINGLE SECTION
•
UNDERCUT WIDTH: 0.0680 INCHES NOMINAL IN
•
SECTION QUANTITY: 1
TECHNICAL CHARACTERISTICS
MAXIMUM RUNNING TORQUE0.30 INCH-OUNCES IN
BODY DIAMETER0.875 INCHES NOMINAL IN
LATERAL RUNOUT0.002 INCHES IN
ELECTRICAL RESISTANCE PER SECTION2.0 KILOHMS SINGLE SECTION
MOUNTING LIP DEPTH0.0620 INCHES NOMINAL IN
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER125.0 SINGLE SECTION
UNDERCUT WIDTH0.0680 INCHES NOMINAL IN
SECTION QUANTITY1
SHAFT DIAMETER0.1248 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.625 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
500-8437Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 431561?
431561 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 431561?
There is 1 known substitute for 431561: 500-8437. Substitute compatibility should be verified for your specific system.
What is the NSN for 431561?
431561 is cataloged in the U.S. Government catalog under NSN 5905-01-049-3135. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.