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PartsTable / COMPONENT / A-4578
A-4578 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SHAFT,STRAIGHT is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY X-750 OVERALL, outside_diameter: 0.783 INCHES MINIMUM AND 0.789 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 0.611 INCHES MINIMUM IN, surface_treatment: SILVER OVERALL, cross-sectional_thickness: 0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-574-7485, 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
A-4578
NSN: 3040-00-574-7485
FSC: 3040
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
materialNICKEL ALLOY X-750 OVERALL
outside_diameter0.783 INCHES MINIMUM AND 0.789 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter0.611 INCHES MINIMUM IN
surface_treatmentSILVER OVERALL
cross-sectional_thickness0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN
material_document_and_classificationAMS 5542 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5582 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5598 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3040-00-574-7485
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,STRAIGHT TITLE COMPONENT PN A-4578 MFR SHAFT,STRAIGHT
KEY FEATURES
•
SURFACE FINISH: 63.0 MICROINCHES
•
FIRST END STYLE: PLAIN
•
END SIMILARITY: IDENTICAL
•
FIRST END DIAMETER: 0.7480 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-689,CLASS C MIL SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH6.000 INCHES NOMINAL IN
SURFACE FINISH63.0 MICROINCHES
FIRST END STYLEPLAIN
END SIMILARITYIDENTICAL
FIRST END DIAMETER0.7480 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-689,CLASS C MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
A4578Interchangeable
interchangeable cross-reference
interchangeable
235895Interchangeable
interchangeable cross-reference
interchangeable
4578Interchangeable
interchangeable cross-reference
interchangeable
737166Interchangeable
Same NIIN cross-reference
interchangeable
PLH7814PC93Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-4578?
A-4578 is a SHAFT,STRAIGHT.
What parts can replace A-4578?
There are 5 known substitutes for A-4578: A4578, 235895, 4578 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-4578?
A-4578 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-574-7485. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026