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398308 — INSERT,FLEXIBLE COUPLING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

398308: INSERT,FLEXIBLE COUPLING.

The INSERT,FLEXIBLE COUPLING is a the manufacturer industrial component. Key specifications include flow_control_device: DISK, valve_operation_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 3010-00-941-0334, 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
398308
NSN: 3010-00-941-0334
NIINs: 009410334, 013357224
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 80045 — L3HARRIS CINCINNATI ELECTRONICS CORPORATION (USA)
SPECIFICATIONS
flow_control_deviceDISK
valve_operation_methodMANUAL
NSN3010-00-941-0334
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSERT,FLEXIBLE COUPLING TITLE COMPONENT PN 398308 MFR INSERT,FLEXIBLE COUPLI
KEY FEATURES
•
KEY WIDTH: 0.381 INCHES NOMINAL IN
•
OVERALL THICKNESS: 0.421 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY TO CROSS KEY FACE, ROUND BORE
•
OVERALL OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
KEY HEIGHT: 0.206 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
KEY WIDTH0.381 INCHES NOMINAL IN
OVERALL THICKNESS0.421 INCHES NOMINAL IN
STYLE DESIGNATORKEY TO CROSS KEY FACE, ROUND BORE
OVERALL OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
KEY HEIGHT0.206 INCHES NOMINAL IN
SPECIAL FEATURESLAMINATED CONSTRUCTION FEATURE-NOT INCL.;PKG QTY 1;DIFFERENTIATING KEY WDTH 0.387 IN./KEY HT 0.115 IN.;MATL-PLASTIC POLYAMIDE IN
SUBSTITUTES & CROSS-REFERENCES 2
666276-087Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A8117Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 398308?
398308 is a INSERT,FLEXIBLE COUPLING.
What parts can replace 398308?
There are 2 known substitutes for 398308: 666276-087, A8117. Substitute compatibility should be verified for your specific system.
What is the NSN for 398308?
398308 is cataloged in the U.S. Government catalog under NSN 3010-00-941-0334. 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.