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X858939-01 — RESISTOR,VARIABLE,NONWIRE WOUND,

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

X858939-01: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 0.812 INCHES MAXIMUM IN, flat_height: 0.062 INCHES NOMINAL IN, shaft_style: ROUND, FLATTED, shaft_length: 0.630 INCHES NOMINAL IN, actuator_type: SINGLE SHAFT. This part is cataloged in the U.S.

Government catalog under NSN 5905-01-237-1406, 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→ X858939-01
NSN: 5905-01-237-1406
FSC: 5905 — Resistor
CAGE: 98747 — OGDEN AIR LOGISTICS CENTER (USA)
SPECIFICATIONS
body_styleCYLINDRICAL BUSHING MOUNTED
body_length0.812 INCHES MAXIMUM IN
flat_height0.062 INCHES NOMINAL IN
shaft_styleROUND, FLATTED
shaft_length0.630 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter0.500 INCHES NOMINAL IN
cubic_measure0.283 CUBIC INCHES
overall_length1.442 INCHES NOMINAL IN
shaft_diameter0.125 INCHES NOMINAL IN
mounting_methodSTANDARD BUSHING
fragility_factorMODERATELY RUGGED
NSN5905-01-237-1406
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN X858939-01 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
•
MAXIMUM RUNNING TORQUE: 6.00 INCH-OUNCES IN
•
BODY DIAMETER: 0.500 INCHES NOMINAL IN
•
SCREW THREAD QUANTITY PER INCH: 32.0
•
ELECTRICAL RESISTANCE PER SECTION: 1.000 KILOHMS SINGLE SECTION
•
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 120.0 SINGLE SECTION
•
SECTION QUANTITY: 1
•
SHAFT DIAMETER: 0.125 INCHES NOMINAL IN
•
SHAFT BEARING TYPE: SLEEVE
TECHNICAL CHARACTERISTICS
MAXIMUM RUNNING TORQUE6.00 INCH-OUNCES IN
BODY DIAMETER0.500 INCHES NOMINAL IN
SCREW THREAD QUANTITY PER INCH32.0
ELECTRICAL RESISTANCE PER SECTION1.000 KILOHMS SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER120.0 SINGLE SECTION
SECTION QUANTITY1
SHAFT DIAMETER0.125 INCHES NOMINAL IN
SHAFT BEARING TYPESLEEVE
NONTURN DEVICE RADIUS0.245 INCHES NOMINAL IN
FRAGILITY FACTORMODERATELY RUGGED
SUBSTITUTES & CROSS-REFERENCES 1
RV6NAYSD102AReference document
Same NSN cross-reference
Reference document — Secondary reference
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 X858939-01?
X858939-01 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace X858939-01?
There is 1 known substitute for X858939-01: RV6NAYSD102A. Substitute compatibility should be verified for your specific system.
What is the NSN for X858939-01?
X858939-01 is cataloged in the U.S. Government catalog under NSN 5905-01-237-1406. 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.