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1020G51 — COUPLING,SHAFT,FLEXIBLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1020G51: COUPLING,SHAFT,FLEXIBLE.

The COUPLING,SHAFT,FLEXIBLE is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT THROUGH BORE, bore_length: 2.44 INCHES NOMINAL SECOND END IN, design_type: CLAMPING HUB, bore_diameter: 2.3730 INCHES MINIMUM AND 2.3740 INCHES MAXIMUM SECOND END IN, overall_length: 4.90 INCHES NOMINAL IN, outside_diameter: 7.00 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3010-01-718-2603, 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
1020G51
NSN: 3010-01-718-2603
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 46HD1 — REXNORD INDUSTRIES LLC (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT THROUGH BORE
bore_length2.44 INCHES NOMINAL SECOND END IN
design_typeCLAMPING HUB
bore_diameter2.3730 INCHES MINIMUM AND 2.3740 INCHES MAXIMUM SECOND END IN
overall_length4.90 INCHES NOMINAL IN
outside_diameter7.00 INCHES NOMINAL IN
special_featuresMAX CONTINUOUS TORQUE IS 37800 LB-IN;SPEED RATING IS 5600 RPMS LBS
keying_facility_quantity1 THROUGH BORE
part_name_assigned_by_controlling_agencyCOUPLING ASSEMBLY
NSN3010-01-718-2603
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,FLEXIBLE TITLE COMPONENT PN 1020G51 MFR COUPLING,SHAFT,FLEXIBL
KEY FEATURES
•
BORE LENGTH: 2.40 INCHES NOMINAL FIRST END IN
•
DESIGN TYPE: CLAMPING HUB
•
OUTSIDE DIAMETER: 7.00 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT THROUGH BORE
•
KEYING FACILITY QUANTITY: 1 THROUGH BORE
TECHNICAL CHARACTERISTICS
BORE LENGTH2.40 INCHES NOMINAL FIRST END IN
BORE LENGTH2.44 INCHES NOMINAL SECOND END IN
DESIGN TYPECLAMPING HUB
OVERALL LENGTH4.90 INCHES NOMINAL IN
OUTSIDE DIAMETER7.00 INCHES NOMINAL IN
BORE SHAPESTRAIGHT THROUGH BORE
KEYING FACILITY QUANTITY1 THROUGH BORE
SPECIAL FEATURESMAX CONTINUOUS TORQUE IS 37800 LB-IN;SPEED RATING IS 5600 RPMS LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYCOUPLING ASSEMBLY
BORE DIAMETER1.6860 INCHES MINIMUM AND 1.6870 INCHES MAXIMUM FIRST END IN
OTHER ITEMS IN FSC 3010 — Torque Converters and Speed Changers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3010-00-001-0013 3010-00-001-0067 3010-00-001-0069 3010-00-001-0095 3010-00-001-1239 3010-00-001-1689 3010-00-001-2168 3010-00-001-2173
SUBSTITUTES & CROSS-REFERENCES 1
FALK-91040402Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1020G51?
1020G51 is a COUPLING,SHAFT,FLEXIBLE.
What parts can replace 1020G51?
There is 1 known substitute for 1020G51: FALK-91040402. Substitute compatibility should be verified for your specific system.
What is the NSN for 1020G51?
1020G51 is cataloged in the U.S. Government catalog under NSN 3010-01-718-2603. 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.