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A8731 — RESISTOR,VARIABLE,NONWIRE WOUND,

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

A8731: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: STEEL OVERALL, body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 0.437 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN, shaft_style: ROUND, SLOTTED, shaft_length: 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN, actuator_type: SINGLE SHAFT. This part is cataloged in the U.S.

Government catalog under NSN 5905-00-581-1413, 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→ A8731
NSN: 5905-00-581-1413
NIINs: 005811413, 010205160
FSC: 5905 — Resistor
CAGE: 81535 — AERONAUTICAL COMMUNICATIONS EQUIPMENT INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleCYLINDRICAL BUSHING MOUNTED
body_length0.437 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
shaft_styleROUND, SLOTTED
shaft_length0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
actuator_typeSINGLE SHAFT
body_diameter0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
overall_length1.094 INCHES MAXIMUM IN
shaft_diameter0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
first_end_styleCHAMFERED
mounting_methodSTANDARD BUSHING
overall_diameter0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
NSN5905-00-581-1413
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN A8731 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
•
BODY DIAMETER: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
•
SCREW THREAD QUANTITY PER INCH: 32.0
•
ELECTRICAL RESISTANCE PER SECTION: 5.0 KILOHMS SINGLE SECTION
•
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 120.0 SINGLE SECTION
•
SECTION QUANTITY: 1
•
SHAFT DIAMETER: 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
•
NONTURN DEVICE RADIUS: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
BODY STYLE: CYLINDRICAL BUSHING MOUNTED
TECHNICAL CHARACTERISTICS
BODY DIAMETER0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
SCREW THREAD QUANTITY PER INCH32.0
ELECTRICAL RESISTANCE PER SECTION5.0 KILOHMS SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER120.0 SINGLE SECTION
SECTION QUANTITY1
SHAFT DIAMETER0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
NONTURN DEVICE RADIUS0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
BODY STYLECYLINDRICAL BUSHING MOUNTED
OVERALL DIAMETER0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
MOUNTING METHODSTANDARD BUSHING
SUBSTITUTES & CROSS-REFERENCES 8
WA2G024S502UAReference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
MILR94-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
RV6NAYSL502BReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
RV6NAYSL502ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MIL-PRF-94/3Reference document
Same NSN cross-reference
Reference document — Identification reference
178-35778-06Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A8731?
A8731 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace A8731?
There are 8 known substitutes for A8731: WA2G024S502UA, MILR94-3, RV6NAYSL502B and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A8731?
A8731 is cataloged in the U.S. Government catalog under NSN 5905-00-581-1413. 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.