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Technical Data Sheet
666951 ✓ Verified by PartsTable
Legrand · COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SHAFT,SHOULDERED is a Legrand industrial component. Key specifications include material: STEEL COMP 4620, end_similarity: NOT IDENTICAL, overall_length: 16.970 INCHES NOMINAL IN, first_end_style: PLAIN, second_end_style: CROSS DRILLED AND EXTERNALLY THREADED, first_end_diameter: 0.7490 INCHES MINIMUM AND 0.7495 INCHES MAXIMUM 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 3040-00-447-2220, 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
666951
NSN: 3040-00-447-2220
FSC: 3040
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
materialSTEEL COMP 4620
step_quantity8
end_similarityNOT IDENTICAL
overall_length16.970 INCHES NOMINAL IN
first_end_stylePLAIN
second_end_styleCROSS DRILLED AND EXTERNALLY THREADED
first_end_diameter0.7490 INCHES MINIMUM AND 0.7495 INCHES MAXIMUM IN
second_end_diameter0.9950 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
fsc_application_dataMAIN SHAFT,TRANSMISSION,VEHICULAR
largest_step_diameter2.229 INCHES NOMINAL IN
second_end_hole_diameter0.1560 INCHES NOMINAL IN
second_end_external_thread_length0.625 INCHES NOMINAL IN
NSN3040-00-447-2220
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Legrand SHAFT,SHOULDERED TITLE COMPONENT PN 666951 MFR Legrand SHAFT,SHOULDERED
KEY FEATURES
FIRST END STYLE: PLAIN
SECOND END DISTANCE FROM HOLE CENTER TO END: 0.188 INCHES NOMINAL IN
FSC APPLICATION DATA: MAIN SHAFT,TRANSMISSION,VEHICULAR
MATERIAL DOCUMENT AND CLASSIFICATION: AISI OR SAE ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL: STEEL COMP 4620
LARGEST STEP DIAMETER: 2.229 INCHES NOMINAL IN
STEP QUANTITY: 8
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END STYLEPLAIN
SECOND END DISTANCE FROM HOLE CENTER TO END0.188 INCHES NOMINAL IN
FSC APPLICATION DATAMAIN SHAFT,TRANSMISSION,VEHICULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAISI OR SAE ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 4620
LARGEST STEP DIAMETER2.229 INCHES NOMINAL IN
STEP QUANTITY8
OVERALL LENGTH16.970 INCHES NOMINAL IN
END SIMILARITYNOT IDENTICAL
SECOND END HOLE DIAMETER0.1560 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
TG1Interchangeable
interchangeable cross-reference
interchangeable
MK289M0D0Interchangeable
interchangeable cross-reference
interchangeable
1368745Interchangeable
interchangeable cross-reference
interchangeable
T932Interchangeable
interchangeable cross-reference
interchangeable
7056701Interchangeable
interchangeable cross-reference
interchangeable
5295180Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 666951?
666951 is a SHAFT,SHOULDERED manufactured by Legrand.
What parts can replace 666951?
There are 17 known substitutes for 666951: TG1, MK289M0D0, 1368745 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 666951?
666951 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-447-2220. This indicates validated use in U.S. government and defense supply chains.
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