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775-4389-001 — COUPLING,SHAFT,RIGID

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

775-4389-001: COUPLING,SHAFT,RIGID.

The COUPLING,SHAFT,RIGID is a the manufacturer industrial component. Key specifications include bore_shape: SPLINED BOTH ENDS, spline_type: INVOLUTE BOTH ENDS, body_material: COPPER ALLOY, spline_length: 0.625 INCHES NOMINAL FIRST END IN, overall_length: 0.625 INCHES NOMINAL IN, spline_quantity: 11 BOTH ENDS. This part is cataloged in the U.S.

Government catalog under NSN 3010-00-442-0551, 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
775-4389-001
NSN: 3010-00-442-0551
FSC: 3010 — Torque Converters and Speed Changers
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
bore_shapeSPLINED BOTH ENDS
spline_typeINVOLUTE BOTH ENDS
body_materialCOPPER ALLOY
spline_length0.625 INCHES NOMINAL FIRST END IN
overall_length0.625 INCHES NOMINAL IN
spline_quantity11 BOTH ENDS
overall_diameter0.375 INCHES NOMINAL IN
special_featuresPITCH DIAMETER: 0.2292 IN. NOMINAL; SURFACE TREATMENT: BRIGHT ALLOY IN
style_designatorPLAIN SLEEVE
spline_major_diameter0.2500 INCHES NOMINAL FIRST END IN
spline_minor_diameter0.2080 INCHES NOMINAL FIRST END IN
spline_pressure_angle_in_deg30.000 FIRST END
NSN3010-00-442-0551
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,SHAFT,RIGID TITLE COMPONENT PN 775-4389-001 MFR COUPLING,SHAFT,RIGID
KEY FEATURES
•
SPLINE MINOR DIAMETER: 0.2080 INCHES NOMINAL FIRST END IN
•
SPLINE TYPE: INVOLUTE BOTH ENDS
•
OVERALL DIAMETER: 0.375 INCHES NOMINAL IN
•
SPLINE LENGTH: 0.625 INCHES NOMINAL FIRST END IN
•
STYLE DESIGNATOR: PLAIN SLEEVE
•
SPLINE MAJOR DIAMETER: 0.2500 INCHES NOMINAL FIRST END IN
•
BORE SHAPE: SPLINED BOTH ENDS
TECHNICAL CHARACTERISTICS
SPLINE MINOR DIAMETER0.2080 INCHES NOMINAL FIRST END IN
SPLINE TYPEINVOLUTE BOTH ENDS
OVERALL DIAMETER0.375 INCHES NOMINAL IN
SPLINE LENGTH0.625 INCHES NOMINAL FIRST END IN
STYLE DESIGNATORPLAIN SLEEVE
OVERALL LENGTH0.625 INCHES NOMINAL IN
SPLINE MAJOR DIAMETER0.2500 INCHES NOMINAL FIRST END IN
BORE SHAPESPLINED BOTH ENDS
SPLINE PRESSURE ANGLE IN DEG30.000 FIRST END
SPLINE QUANTITY11 BOTH ENDS
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 775-4389-001?
775-4389-001 is a COUPLING,SHAFT,RIGID.
What is the NSN for 775-4389-001?
775-4389-001 is cataloged in the U.S. Government catalog under NSN 3010-00-442-0551. 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.