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PartsTable / COMPONENT / XB3158A
XB3158A ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The CLUTCH ASSEMBLY,FRICTION is a the manufacturer industrial component. Key specifications include overall_diameter: 3.848 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 2520-00-428-0973, 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
XB3158A
NSN: 2520-00-428-0973
FSC: 2520
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
overall_diameter3.848 INCHES NOMINAL IN
special_features60 TEETH;FILLET ROOT SPINE;16 DIA PITCH;14.5 DEG PRESSURE ANGLE;3.750 IN. PD;TWO BORE GROOVES;BORE KEYWAY WD 0.251 IN.;BORE DIA W/KEYWAY 1.373 IN.,WITHOUT KEYWAY 1.251 IN. IN
NSN2520-00-428-0973
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CLUTCH ASSEMBLY,FRICTION TITLE COMPONENT PN XB3158A MFR CLUTCH ASSEMBLY,FRICTI
KEY FEATURES
•
OVERALL DIAMETER: 3.848 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES60 TEETH;FILLET ROOT SPINE;16 DIA PITCH;14.5 DEG PRESSURE ANGLE;3.750 IN. PD;TWO BORE GROOVES;BORE KEYWAY WD 0.251 IN.;BORE DIA W/KEYWAY 1.373 IN.,WITHOUT KEYWAY 1.251 IN. IN
OVERALL DIAMETER3.848 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
33446Interchangeable
interchangeable cross-reference
interchangeable
88-19700Interchangeable
interchangeable cross-reference
interchangeable
11226-RInterchangeable
interchangeable cross-reference
interchangeable
H40-CInterchangeable
interchangeable cross-reference
interchangeable
81203-210Interchangeable
interchangeable cross-reference
interchangeable
2587724Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is XB3158A?
XB3158A is a CLUTCH ASSEMBLY,FRICTION.
What parts can replace XB3158A?
There are 14 known substitutes for XB3158A: 33446, 88-19700, 11226-R and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for XB3158A?
XB3158A is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-428-0973. 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