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Technical Data Sheet
25B3531 ✓ 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 LINING,FRICTION is a the manufacturer industrial component. Key specifications include width: 3.000 INCHES NOMINAL IN, thickness: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, arc_length: 12.468 INCHES NOMINAL IN, lining_style: CLUTCH DISK SEGMENT, minor_radius: 4.938 INCHES NOMINAL IN, application_type: DRY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-312-0280, 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
25B3531
NSN: 2530-00-312-0280
FSC: 2530
CAGE: 62265 — VOLVO TRUCKS NORTH AMERICA, INC. DBA (FOREIGN PARENT IS VOLVO LASTVAGNAR AB, GOTEBORG, SWEDEN.) (USA)
SPECIFICATIONS
width3.000 INCHES NOMINAL IN
thickness0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
arc_length12.468 INCHES NOMINAL IN
lining_styleCLUTCH DISK SEGMENT
minor_radius4.938 INCHES NOMINAL IN
application_typeDRY
attachment_methodRIVETED
features_providedFLEXIBLE FRICTION LINING
fabrication_methodMOLDED
strengthening_featureINTERNALLY MOLDED-IN REINFORCEMENT
hole_arrangement_styleDOUBLE EVEN
hole_type_and_quantity8 COUNTERBORED
NSN2530-00-312-0280
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LINING,FRICTION TITLE COMPONENT PN 25B3531 MFR LINING,FRICTION
KEY FEATURES
THICKNESS: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
FABRICATION METHOD: MOLDED
STRENGTHENING FEATURE: INTERNALLY MOLDED-IN REINFORCEMENT
ATTACHMENT METHOD: RIVETED
MINOR RADIUS: 4.938 INCHES NOMINAL IN
ARC LENGTH: 12.468 INCHES NOMINAL IN
APPLICATION TYPE: DRY
FEATURES PROVIDED: FLEXIBLE FRICTION LINING
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
FABRICATION METHODMOLDED
STRENGTHENING FEATUREINTERNALLY MOLDED-IN REINFORCEMENT
ATTACHMENT METHODRIVETED
MINOR RADIUS4.938 INCHES NOMINAL IN
ARC LENGTH12.468 INCHES NOMINAL IN
APPLICATION TYPEDRY
FEATURES PROVIDEDFLEXIBLE FRICTION LINING
HOLE TYPE AND QUANTITY8 COUNTERBORED
SURFACE CONDITION AND LOCATIONONE SIDE GROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
C33Interchangeable
interchangeable cross-reference
interchangeable
31116Interchangeable
interchangeable cross-reference
interchangeable
SMB331485-5Interchangeable
interchangeable cross-reference
interchangeable
6L1022-24FA5Interchangeable
interchangeable cross-reference
interchangeable
PWA35053Interchangeable
interchangeable cross-reference
interchangeable
1450022Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 25B3531?
25B3531 is a LINING,FRICTION.
What parts can replace 25B3531?
There are 12 known substitutes for 25B3531: C33, 31116, SMB331485-5 and 9 more. Substitute compatibility should be verified for your specific system.
Is 25B3531 still available?
25B3531 is currently cancelled.
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