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PartsTable / COMPONENT / F440-30639 TYPE 12S
F440-30639 TYPE 12S ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The COUPLING,SHAFT,FLEXIBLE is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT BOTH ENDS, bore_length: 4.0000 INCHES NOMINAL BOTH ENDS IN, design_type: CLAMPING HUB, keyway_depth: 0.3120 INCHES NOMINAL SECOND END IN, keyway_width: 0.750 INCHES NOMINAL FIRST END IN, bore_diameter: 2.8775 INCHES NOMINAL SECOND END 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 3010-01-354-5546, 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
F440-30639 TYPE 12S
NSN: 3010-01-354-5546
FSC: 3010
CAGE: 79425 — TB WOODS'S CORPORATION (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT BOTH ENDS
bore_length4.0000 INCHES NOMINAL BOTH ENDS IN
design_typeCLAMPING HUB
keyway_depth0.3120 INCHES NOMINAL SECOND END IN
keyway_width0.750 INCHES NOMINAL FIRST END IN
bore_diameter2.8775 INCHES NOMINAL SECOND END IN
overall_length8.250 INCHES NOMINAL IN
securing_methodTHREADED HOLE(S) BOTH ENDS
outside_diameter10.000 INCHES NOMINAL IN
features_providedKEYWAY
keying_facility_typeKEYWAY BOTH ENDS
thread_size_designator1/2-13 SECOND END
NSN3010-01-354-5546
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,FLEXIBLE TITLE COMPONENT PN F440-30639 TYPE 12S MFR COUPLING,SHAFT,FLEXIBL
KEY FEATURES
•
OUTSIDE DIAMETER: 10.000 INCHES NOMINAL IN
•
KEYWAY DEPTH: 0.3750 INCHES NOMINAL FIRST END IN
•
THREAD SIZE DESIGNATOR: 5/8-11 FIRST END
•
BORE DIAMETER: 2.8775 INCHES NOMINAL SECOND END IN
•
KEYWAY WIDTH: 0.750 INCHES NOMINAL FIRST END IN
•
SECURING METHOD: THREADED HOLE(S) BOTH ENDS
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER10.000 INCHES NOMINAL IN
KEYWAY DEPTH0.3750 INCHES NOMINAL FIRST END IN
THREAD SIZE DESIGNATOR5/8-11 FIRST END
BORE DIAMETER2.8775 INCHES NOMINAL SECOND END IN
BORE DIAMETER2.3770 INCHES NOMINAL FIRST END IN
KEYWAY WIDTH0.750 INCHES NOMINAL FIRST END IN
KEYWAY WIDTH0.625 INCHES NOMINAL SECOND END IN
SECURING METHODTHREADED HOLE(S) BOTH ENDS
FEATURES PROVIDEDKEYWAY
KEYING FACILITY TYPEKEYWAY BOTH ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
12EInterchangeable
interchangeable cross-reference
interchangeable
F440-30639Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F440-30639 TYPE 12S?
F440-30639 TYPE 12S is a COUPLING,SHAFT,FLEXIBLE.
What parts can replace F440-30639 TYPE 12S?
There are 2 known substitutes for F440-30639 TYPE 12S: 12E, F440-30639. Substitute compatibility should be verified for your specific system.
What is the NSN for F440-30639 TYPE 12S?
F440-30639 TYPE 12S is cataloged in the Federal Logistics Information System (FLIS) under NSN 3010-01-354-5546. 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