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1090T20RB — COUPLING,SHAFT,FLEXIBLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1090T20RB: COUPLING,SHAFT,FLEXIBLE.

The COUPLING,SHAFT,FLEXIBLE is a the manufacturer industrial component. Key specifications include bore_shape: ROUGH STOCK BOTH ENDS, bore_length: 3.8750 INCHES NOMINAL BOTH ENDS IN, design_type: GRID SPRING, bore_diameter: 3.5000 INCHES NOMINAL BOTH ENDS IN, overall_length: 7.875 INCHES NOMINAL7.875 INCHES NOMINAL IN, outside_diameter: 9.125 INCHES NOMINAL9.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3010-00-078-3059, 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
1090T20RB
NSN: 3010-00-078-3059
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 21444 — REXNORD INDUSTRIES LLC (USA)
SPECIFICATIONS
bore_shapeROUGH STOCK BOTH ENDS
bore_length3.8750 INCHES NOMINAL BOTH ENDS IN
design_typeGRID SPRING
bore_diameter3.5000 INCHES NOMINAL BOTH ENDS IN
overall_length7.875 INCHES NOMINAL7.875 INCHES NOMINAL IN
outside_diameter9.125 INCHES NOMINAL9.125 INCHES NOMINAL IN
special_featuresCOUPLING, SHAFT, FLEXIBLE
NSN3010-00-078-3059
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,FLEXIBLE TITLE COMPONENT PN 1090T20RB MFR COUPLING,SHAFT,FLEXIBL
KEY FEATURES
•
BORE LENGTH: 3.8750 INCHES NOMINAL BOTH ENDS IN
•
DESIGN TYPE: GRID SPRING
•
OUTSIDE DIAMETER: 9.125 INCHES NOMINAL9.125 INCHES NOMINAL IN
•
BORE SHAPE: ROUGH STOCK BOTH ENDS
•
BORE DIAMETER: 3.5000 INCHES NOMINAL BOTH ENDS IN
TECHNICAL CHARACTERISTICS
BORE LENGTH3.8750 INCHES NOMINAL BOTH ENDS IN
DESIGN TYPEGRID SPRING
OVERALL LENGTH7.875 INCHES NOMINAL7.875 INCHES NOMINAL IN
OUTSIDE DIAMETER9.125 INCHES NOMINAL9.125 INCHES NOMINAL IN
BORE SHAPEROUGH STOCK BOTH ENDS
SPECIAL FEATURESCOUPLING, SHAFT, FLEXIBLE
BORE DIAMETER3.5000 INCHES NOMINAL BOTH ENDS IN
SUBSTITUTES & CROSS-REFERENCES 2
GF2090VRBReference document
Same NSN cross-reference
Reference document — Secondary reference
1090T20Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1090T20RB?
1090T20RB is a COUPLING,SHAFT,FLEXIBLE.
What parts can replace 1090T20RB?
There are 2 known substitutes for 1090T20RB: GF2090VRB, 1090T20. Substitute compatibility should be verified for your specific system.
What is the NSN for 1090T20RB?
1090T20RB is cataloged in the U.S. Government catalog under NSN 3010-00-078-3059. 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.