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Technical Data Sheet
PartsTable / MRO / 71728
71728 ✓ 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,NONWIRE WOUND,. Key specifications include material: STEEL BODY, body_style: CYLINDRICAL SERVO MOUNTED, body_length: 2.810 INCHES MAXIMUM IN, shaft_style: ROUND, bearing_type: BEARING SHAFT, pilot_length: 0.0620 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-075-5846, 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→ 71728
NSN: 3110-01-075-5846
FSC: 3110
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL BODY
body_styleCYLINDRICAL SERVO MOUNTED
body_length2.810 INCHES MAXIMUM IN
shaft_styleROUND
bearing_typeBEARING SHAFT
pilot_length0.0620 INCHES NOMINAL IN
shaft_length0.500 INCHES NOMINAL IN
shaft_runout0.001 INCHES IN
actuator_typeSINGLE SHAFT
body_diameter0.875 INCHES NOMINAL IN
lateral_runout0.002 INCHES IN
overall_length3.320 INCHES MAXIMUM IN
NSN3110-01-075-5846
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 71728 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
71728Interchangeable
interchangeable cross-reference
interchangeable
ST5M1539-001Interchangeable
interchangeable cross-reference
interchangeable
35103Interchangeable
2TB Hot-Swap PX desk/Rack se
interchangeable
CKEC-LANInterchangeable
interchangeable cross-reference
interchangeable
777-1728Interchangeable
interchangeable cross-reference
interchangeable
D71728Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 71728?
71728 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 71728?
There are 6 known substitutes for 71728: 71728, ST5M1539-001, 35103 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 71728?
71728 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-075-5846. 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