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Technical Data Sheet
PartsTable / COMPONENT / 3N-280
3N-280 ✓ 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: ALUMINUM BODY, body_length: 9.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-898-0144, 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
3N-280
NSN: 3040-00-898-0144
FSC: 3040
CAGE: 54370 — ALFA LAVAL INC. (USA)
SPECIFICATIONS
materialALUMINUM BODY
body_length9.625 INCHES NOMINAL IN
NSN3040-00-898-0144
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN 3N-280 MFR SHAFT,SHOULDERED
KEY FEATURES
•
FIRST END DIAMETER: 0.3750 INCHES NOMINAL IN
•
FIRST END STYLE: CIRCULAR GROOVED
•
SECOND END DIAMETER: 0.3910 INCHES NOMINAL IN
•
FIRST END GROOVE DIAMETER: 0.3440 INCHES NOMINAL IN
•
LARGEST STEP DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
FIRST END GROOVE WIDTH: 0.2810 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END DIAMETER0.3750 INCHES NOMINAL IN
FIRST END STYLECIRCULAR GROOVED
SECOND END DIAMETER0.3910 INCHES NOMINAL IN
FIRST END GROOVE DIAMETER0.3440 INCHES NOMINAL IN
LARGEST STEP DIAMETER0.500 INCHES NOMINAL IN
MATERIALSTEEL
CRITICALITY CODE JUSTIFICATIONFEAT
FIRST END GROOVE WIDTH0.2810 INCHES NOMINAL IN
SECOND END EXTERNAL THREAD LENGTH0.438 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
3N-280Interchangeable
interchangeable cross-reference
interchangeable
3N-280 PIECE 49Interchangeable
interchangeable cross-reference
interchangeable
AD2522-1Interchangeable
interchangeable cross-reference
interchangeable
3N-280 PIECE 1Interchangeable
interchangeable cross-reference
interchangeable
A-F7-3Interchangeable
interchangeable cross-reference
interchangeable
3N287PC21Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3N-280?
3N-280 is a SHAFT,SHOULDERED.
What parts can replace 3N-280?
There are 8 known substitutes for 3N-280: 3N-280, 3N-280 PIECE 49, AD2522-1 and 5 more. Substitute compatibility should be verified for your specific system.
Is 3N-280 still available?
3N-280 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026