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1020G81 — COUPLING,SHAFT,RIGID

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1020G81: COUPLING,SHAFT,RIGID.

The COUPLING,SHAFT,RIGID is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT FIRST END, bore_length: 2.3000 INCHES NOMINAL BOTH ENDS IN, body_material: STEEL, bore_diameter: 4.0000 INCHES NOMINAL BOTH ENDS IN, overall_length: 4.800 INCHES NOMINAL IN, overall_diameter: 7.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3010-01-377-6626, 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
1020G81
NSN: 3010-01-377-6626
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 21444 — REXNORD INDUSTRIES LLC (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT FIRST END
bore_length2.3000 INCHES NOMINAL BOTH ENDS IN
body_materialSTEEL
bore_diameter4.0000 INCHES NOMINAL BOTH ENDS IN
overall_length4.800 INCHES NOMINAL IN
overall_diameter7.000 INCHES NOMINAL IN
special_featuresFLANGE WIDTH: 1.500 IN. NOMINAL; HUB DIAMETER: 4.980 IN. NOMINAL IN
style_designatorPLAIN FLANGE
NSN3010-01-377-6626
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,RIGID TITLE COMPONENT PN 1020G81 MFR COUPLING,SHAFT,RIGID
KEY FEATURES
•
BORE LENGTH: 2.3000 INCHES NOMINAL BOTH ENDS IN
•
OVERALL DIAMETER: 7.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGE
•
BORE SHAPE: STRAIGHT FIRST END
•
BODY MATERIAL: STEEL
•
BORE DIAMETER: 4.0000 INCHES NOMINAL BOTH ENDS IN
TECHNICAL CHARACTERISTICS
BORE LENGTH2.3000 INCHES NOMINAL BOTH ENDS IN
OVERALL DIAMETER7.000 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGE
OVERALL LENGTH4.800 INCHES NOMINAL IN
BORE SHAPESTRAIGHT FIRST END
BODY MATERIALSTEEL
SPECIAL FEATURESFLANGE WIDTH: 1.500 IN. NOMINAL; HUB DIAMETER: 4.980 IN. NOMINAL IN
BORE DIAMETER4.0000 INCHES NOMINAL BOTH ENDS 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.
3010-00-010-0577 3010-00-267-4959 3010-00-356-3346 3010-00-395-0188
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 1020G81?
1020G81 is a COUPLING,SHAFT,RIGID.
What is the NSN for 1020G81?
1020G81 is cataloged in the U.S. Government catalog under NSN 3010-01-377-6626. 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.