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A547-645 ✓ 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 SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, end_similarity: NOT IDENTICAL, overall_length: 23.500 INCHES NOMINAL IN, first_end_style: PLAIN, second_end_style: PLAIN, first_end_diameter: 0.2490 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 3040-00-086-9943, 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
A547-645
NSN: 3040-00-086-9943
FSC: 3040
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
step_quantity2
end_similarityNOT IDENTICAL
overall_length23.500 INCHES NOMINAL IN
first_end_stylePLAIN
second_end_stylePLAIN
first_end_diameter0.2490 INCHES NOMINAL IN
second_end_diameter0.3122 INCHES NOMINAL IN
largest_step_diameter0.3122 INCHES NOMINAL IN
NSN3040-00-086-9943
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN A547-645 MFR SHAFT,SHOULDERED
KEY FEATURES
•
FIRST END DIAMETER: 0.2490 INCHES NOMINAL IN
•
STEP QUANTITY: 2
•
END SIMILARITY: NOT IDENTICAL
•
SECOND END DIAMETER: 0.3122 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 0.3122 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
•
SECOND END STYLE: PLAIN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END DIAMETER0.2490 INCHES NOMINAL IN
STEP QUANTITY2
END SIMILARITYNOT IDENTICAL
SECOND END DIAMETER0.3122 INCHES NOMINAL IN
LARGEST STEP DIAMETER0.3122 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
SECOND END STYLEPLAIN
OVERALL LENGTH23.500 INCHES NOMINAL IN
FIRST END STYLEPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
003086Interchangeable
interchangeable cross-reference
interchangeable
8421Interchangeable
interchangeable cross-reference
interchangeable
NL-8421Interchangeable
interchangeable cross-reference
interchangeable
547A003086Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A547-645?
A547-645 is a SHAFT,SHOULDERED.
What parts can replace A547-645?
There are 4 known substitutes for A547-645: 003086, 8421, NL-8421 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A547-645?
A547-645 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-086-9943. 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