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PartsTable / COMPONENT / 12957-G
12957-G ✓ 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,STRAIGHT is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 17.750 INCHES NOMINAL IN, first_end_style: TONGUE, second_end_style: SPLINED (STRAIGHT), special_features: TONGUE FLATTED SPLINED SHAFT-INPUT-C-MKO-3G G. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-344-6396, 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
12957-G
NSN: 3040-01-344-6396
FSC: 3040
CAGE: 0EJ14 — DP MANUFACTURING INC. (USA)
SPECIFICATIONS
materialSTEEL
end_similarityNOT IDENTICAL
overall_length17.750 INCHES NOMINAL IN
first_end_styleTONGUE
second_end_styleSPLINED (STRAIGHT)
special_featuresTONGUE FLATTED SPLINED SHAFT-INPUT-C-MKO-3G G
first_end_diameter0.8750 INCHES NOMINAL IN
second_end_diameter0.8750 INCHES NOMINAL IN
end_item_identificationMODEL 3G SERIES WINCH G
NSN3040-01-344-6396
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,STRAIGHT TITLE COMPONENT PN 12957-G MFR SHAFT,STRAIGHT
KEY FEATURES
•
SECOND END DIAMETER: 0.8750 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
SECOND END STYLE: SPLINED (STRAIGHT)
•
FIRST END DIAMETER: 0.8750 INCHES NOMINAL IN
•
END SIMILARITY: NOT IDENTICAL
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END DIAMETER0.8750 INCHES NOMINAL IN
OVERALL LENGTH17.750 INCHES NOMINAL IN
MATERIALSTEEL
SPECIAL FEATURESTONGUE FLATTED SPLINED SHAFT-INPUT-C-MKO-3G G
END ITEM IDENTIFICATIONMODEL 3G SERIES WINCH G
SECOND END STYLESPLINED (STRAIGHT)
FIRST END DIAMETER0.8750 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
FIRST END STYLETONGUE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
12957Interchangeable
interchangeable cross-reference
interchangeable
984630-1Interchangeable
interchangeable cross-reference
interchangeable
42453Interchangeable
interchangeable cross-reference
interchangeable
6294362Interchangeable
interchangeable cross-reference
interchangeable
8905K682Interchangeable
interchangeable cross-reference
interchangeable
AN3230-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12957-G?
12957-G is a SHAFT,STRAIGHT.
What parts can replace 12957-G?
There are 11 known substitutes for 12957-G: 12957, 984630-1, 42453 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12957-G?
12957-G is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-344-6396. 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