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744C489 — INSERT,FLEXIBLE COUPLING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

744C489: INSERT,FLEXIBLE COUPLING.

The INSERT,FLEXIBLE COUPLING is a the manufacturer industrial component. Key specifications include special_features: LAMINATED CONSTRUCTION FEATURE-NOT INC.;BORE DIA 11.750 IN. IN, style_designator: MULTIPLE HOLES, ROUND BORE, overall_thickness: 2.250 INCHES NOMINAL IN, bolt_hole_diameter: 1.000 INCHES NOMINAL IN, bolt_hole_quantity: 20, bolt_circle_diameter: 14.000 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 3010-01-204-8013, 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
744C489
NSN: 3010-01-204-8013
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 01289 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
special_featuresLAMINATED CONSTRUCTION FEATURE-NOT INC.;BORE DIA 11.750 IN. IN
style_designatorMULTIPLE HOLES, ROUND BORE
overall_thickness2.250 INCHES NOMINAL IN
bolt_hole_diameter1.000 INCHES NOMINAL IN
bolt_hole_quantity20
bolt_circle_diameter14.000 INCHES NOMINAL IN
overall_outside_diameter17.399 INCHES NOMINAL IN
NSN3010-01-204-8013
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSERT,FLEXIBLE COUPLING TITLE COMPONENT PN 744C489 MFR INSERT,FLEXIBLE COUPLI
KEY FEATURES
•
OVERALL THICKNESS: 2.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: MULTIPLE HOLES, ROUND BORE
•
BOLT HOLE DIAMETER: 1.000 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 17.399 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 20
•
BOLT CIRCLE DIAMETER: 14.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS2.250 INCHES NOMINAL IN
STYLE DESIGNATORMULTIPLE HOLES, ROUND BORE
BOLT HOLE DIAMETER1.000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER17.399 INCHES NOMINAL IN
BOLT HOLE QUANTITY20
BOLT CIRCLE DIAMETER14.000 INCHES NOMINAL IN
SPECIAL FEATURESLAMINATED CONSTRUCTION FEATURE-NOT INC.;BORE DIA 11.750 IN. IN
SUBSTITUTES & CROSS-REFERENCES 5
744C489PC1Reference document
Same NSN cross-reference
Reference document — Secondary reference
747C261Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
747C261 PIECE 2Reference document
Same NSN cross-reference
Reference document — Secondary reference
744C489P-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
744C489-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 744C489?
744C489 is a INSERT,FLEXIBLE COUPLING.
What parts can replace 744C489?
There are 5 known substitutes for 744C489: 744C489PC1, 747C261, 747C261 PIECE 2 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 744C489?
744C489 is cataloged in the U.S. Government catalog under NSN 3010-01-204-8013. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.