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Technical Data Sheet
PartsTable / MRO / 581085
581085 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include material: SILICON SEMICONDUCTOR, body_style: CYLINDRICAL BUSHING MOUNTED, cone_width: 0.9983 INCHES NOMINAL IN, body_length: 2.000 INCHES NOMINAL IN, shaft_style: ROUND, bearing_type: BEARING SHAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0726, 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→ 581085
NSN: 3110-00-100-0726
FSC: 3110
CAGE: 00006 — ACF-BRILL MOTORS CO
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
body_styleCYLINDRICAL BUSHING MOUNTED
cone_width0.9983 INCHES NOMINAL IN
body_length2.000 INCHES NOMINAL IN
shaft_styleROUND
bearing_typeBEARING SHAFT
shaft_length0.812 INCHES NOMINAL IN
shaft_runout0.0005 INCHES IN
actuator_typeSINGLE SHAFT
body_diameter1.812 INCHES NOMINAL IN
bore_diameter1.1875 INCHES NOMINAL IN
lateral_runout0.003 INCHES IN
NSN3110-00-100-0726
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 581085 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONE CORNER RADIUS: 0.0938 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE WIDTH: 0.9983 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
BORE DIAMETER: 1.1875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CONE CORNER RADIUS0.0938 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE WIDTH0.9983 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
BORE DIAMETER1.1875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
5031Interchangeable
interchangeable cross-reference
interchangeable
23043Interchangeable
interchangeable cross-reference
interchangeable
51866Interchangeable
interchangeable cross-reference
interchangeable
95-80-256Interchangeable
interchangeable cross-reference
interchangeable
12-2507DInterchangeable
interchangeable cross-reference
interchangeable
12-25C7DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 581085?
581085 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 581085?
There are 27 known substitutes for 581085: 5031, 23043, 51866 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 581085?
581085 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0726. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026