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210689 — INSERT,FLEXIBLE COUPLING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

210689: INSERT,FLEXIBLE COUPLING.

The INSERT,FLEXIBLE COUPLING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, special_features: LAMINATED CONSTRUCTION FEATURE-NOT INCL.;BORE DIA 3.781 IN. IN, style_designator: MULTIPLE HOLES, ROUND BORE, overall_thickness: 0.250 INCHES NOMINAL IN, bolt_circle_diameter: 4.822 INCHES NOMINAL IN, overall_outside_diameter: 6.063 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 3010-01-284-4936, 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
210689
NSN: 3010-01-284-4936
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 59747 — REXNORD INDUSTRIES, LLC DIV COUPLINGS DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
special_featuresLAMINATED CONSTRUCTION FEATURE-NOT INCL.;BORE DIA 3.781 IN. IN
style_designatorMULTIPLE HOLES, ROUND BORE
overall_thickness0.250 INCHES NOMINAL IN
bolt_hole_quantity8
bolt_circle_diameter4.822 INCHES NOMINAL IN
overall_outside_diameter6.063 INCHES NOMINAL IN
NSN3010-01-284-4936
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSERT,FLEXIBLE COUPLING TITLE COMPONENT PN 210689 MFR INSERT,FLEXIBLE COUPLI
KEY FEATURES
•
OVERALL THICKNESS: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: MULTIPLE HOLES, ROUND BORE
•
OVERALL OUTSIDE DIAMETER: 6.063 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 8
•
BOLT CIRCLE DIAMETER: 4.822 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS0.250 INCHES NOMINAL IN
STYLE DESIGNATORMULTIPLE HOLES, ROUND BORE
OVERALL OUTSIDE DIAMETER6.063 INCHES NOMINAL IN
BOLT HOLE QUANTITY8
BOLT CIRCLE DIAMETER4.822 INCHES NOMINAL IN
SPECIAL FEATURESLAMINATED CONSTRUCTION FEATURE-NOT INCL.;BORE DIA 3.781 IN. IN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 1
10689SReference 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 210689?
210689 is a INSERT,FLEXIBLE COUPLING.
What parts can replace 210689?
There is 1 known substitute for 210689: 10689S. Substitute compatibility should be verified for your specific system.
What is the NSN for 210689?
210689 is cataloged in the U.S. Government catalog under NSN 3010-01-284-4936. 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.