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Technical Data Sheet
PartsTable / COMPONENT / 6404641-26
6404641-26 ✓ 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 COUPLING,SHAFT,FLEXIBLE is a the manufacturer industrial component. Key specifications include width: 1.750 INCHES NOMINAL IN, bore_shape: STRAIGHT BOTH ENDS, bore_length: 3.4400 INCHES NOMINAL SECOND END IN, design_type: INSULATOR W/FLEXIBLE ROD ACTION, overall_length: 4.750 INCHES NOMINAL IN, special_features: COUPLING IS SQUARE,1.250 IN. FIRST END BORE WIDTH,0.750 IN.

SECOND END BORE WIDTH 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 3010-01-377-6769, 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
6404641-26
NSN: 3010-01-377-6769
FSC: 3010
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
width1.750 INCHES NOMINAL IN
bore_shapeSTRAIGHT BOTH ENDS
bore_length3.4400 INCHES NOMINAL SECOND END IN
design_typeINSULATOR W/FLEXIBLE ROD ACTION
overall_length4.750 INCHES NOMINAL IN
special_featuresCOUPLING IS SQUARE,1.250 IN. FIRST END BORE WIDTH,0.750 IN. SECOND END BORE WIDTH IN
insulator_materialRUBBER
NSN3010-01-377-6769
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,FLEXIBLE TITLE COMPONENT PN 6404641-26 MFR COUPLING,SHAFT,FLEXIBL
KEY FEATURES
•
WIDTH: 1.750 INCHES NOMINAL IN
•
BORE LENGTH: 3.4400 INCHES NOMINAL SECOND END IN
•
INSULATOR MATERIAL: RUBBER
•
BORE SHAPE: STRAIGHT BOTH ENDS
•
DESIGN TYPE: INSULATOR W/FLEXIBLE ROD ACTION
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH1.750 INCHES NOMINAL IN
BORE LENGTH3.4400 INCHES NOMINAL SECOND END IN
BORE LENGTH4.7500 INCHES NOMINAL FIRST END IN
INSULATOR MATERIALRUBBER
BORE SHAPESTRAIGHT BOTH ENDS
OVERALL LENGTH4.750 INCHES NOMINAL IN
DESIGN TYPEINSULATOR W/FLEXIBLE ROD ACTION
SPECIAL FEATURESCOUPLING IS SQUARE,1.250 IN. FIRST END BORE WIDTH,0.750 IN. SECOND END BORE WIDTH IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
6-40464-1Interchangeable
interchangeable cross-reference
interchangeable
970000P6Interchangeable
interchangeable cross-reference
interchangeable
1200-0864Interchangeable
interchangeable cross-reference
interchangeable
6404641-1Interchangeable
interchangeable cross-reference
interchangeable
595-6404641-6Interchangeable
interchangeable cross-reference
interchangeable
6404641-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6404641-26?
6404641-26 is a COUPLING,SHAFT,FLEXIBLE.
What parts can replace 6404641-26?
There are 7 known substitutes for 6404641-26: 6-40464-1, 970000P6, 1200-0864 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6404641-26?
6404641-26 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3010-01-377-6769. 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