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SL-4257 ✓ 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, end_similarity: NOT IDENTICAL, overall_length: 13.188 INCHES NOMINAL IN, first_end_style: EXTERNAL THREADED, second_end_style: EXTERNALLY THREADED AND FLAT KEYWAY, largest_step_diameter: 1.250 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 3040-00-218-3836, 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
SL-4257
NSN: 3040-00-218-3836
FSC: 3040
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
materialSTEEL
step_quantity4
end_similarityNOT IDENTICAL
overall_length13.188 INCHES NOMINAL IN
first_end_styleEXTERNAL THREADED
second_end_styleEXTERNALLY THREADED AND FLAT KEYWAY
largest_step_diameter1.250 INCHES NOMINAL IN
NSN3040-00-218-3836
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,SHOULDERED TITLE COMPONENT PN SL-4257 MFR SHAFT,SHOULDERED
KEY FEATURES
•
MATERIAL: STEEL
•
END SIMILARITY: NOT IDENTICAL
•
LARGEST STEP DIAMETER: 1.250 INCHES NOMINAL IN
•
SECOND END STYLE: EXTERNALLY THREADED AND FLAT KEYWAY
•
FIRST END STYLE: EXTERNAL THREADED
•
STEP QUANTITY: 4
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
END SIMILARITYNOT IDENTICAL
LARGEST STEP DIAMETER1.250 INCHES NOMINAL IN
OVERALL LENGTH13.188 INCHES NOMINAL IN
SECOND END STYLEEXTERNALLY THREADED AND FLAT KEYWAY
FIRST END STYLEEXTERNAL THREADED
STEP QUANTITY4
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
10560Interchangeable
interchangeable cross-reference
interchangeable
AR8-AInterchangeable
interchangeable cross-reference
interchangeable
ST-10090Interchangeable
interchangeable cross-reference
interchangeable
GBP105-60Interchangeable
interchangeable cross-reference
interchangeable
GB105-60Interchangeable
interchangeable cross-reference
interchangeable
SL4258PC7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SL-4257?
SL-4257 is a SHAFT,SHOULDERED.
What parts can replace SL-4257?
There are 26 known substitutes for SL-4257: 10560, AR8-A, ST-10090 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SL-4257?
SL-4257 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-218-3836. 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