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A3533 ✓ 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

DRIVE,ENGINE,ELECTRICAL STARTER. Key specifications include overall_length: 5.150 INCHES NOMINAL IN, largest_outside_diameter: 2.060 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 2920-00-991-3648, 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
A3533
NSN: 2920-00-991-3648
FSC: 2920
CAGE: 72850 — PUROLATOR PRODUCTS CO DIV MOTOR COMPONENTS, LLC (USA)
SPECIFICATIONS
overall_length5.150 INCHES NOMINAL IN
special_featuresSTEEL; NINE TOOTH SPUR GEAR ON FLYWHEEL END; INTERNAL KEYWAY AND LOCK PIN ON STARTER SHAFT END; CENTRIFUGAL ENGAGEMENT TYPE
largest_outside_diameter2.060 INCHES NOMINAL IN
NSN2920-00-991-3648
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DRIVE,ENGINE,ELECTRICAL STARTER TITLE COMPONENT PN A3533 MFR DRIVE,ENGINE,ELECTRICA
KEY FEATURES
•
LARGEST OUTSIDE DIAMETER: 2.060 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LARGEST OUTSIDE DIAMETER2.060 INCHES NOMINAL IN
OVERALL LENGTH5.150 INCHES NOMINAL IN
SPECIAL FEATURESSTEEL; NINE TOOTH SPUR GEAR ON FLYWHEEL END; INTERNAL KEYWAY AND LOCK PIN ON STARTER SHAFT END; CENTRIFUGAL ENGAGEMENT TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
24564Interchangeable
interchangeable cross-reference
interchangeable
250256Interchangeable
interchangeable cross-reference
interchangeable
590A5Interchangeable
interchangeable cross-reference
interchangeable
14073014Interchangeable
interchangeable cross-reference
interchangeable
45511Interchangeable
interchangeable cross-reference
interchangeable
40559Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A3533?
A3533 is a DRIVE,ENGINE,ELECTRICAL STARTER.
What parts can replace A3533?
There are 16 known substitutes for A3533: 24564, 250256, 590A5 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A3533?
A3533 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-991-3648. 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