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Technical Data Sheet
PartsTable / COMPONENT / 657D1785B516A
657D1785B516A ✓ 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 IMPELLER,PUMP,CENTRIFUGAL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_diameter: 10.500 INCHES NOMINAL IN, rotation_direction_for_which_designed: COUNTERCLOCKWISE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-221-5742, 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
657D1785B516A
NSN: 4320-01-221-5742
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_diameter10.500 INCHES NOMINAL IN
rotation_direction_for_which_designedCOUNTERCLOCKWISE
NSN4320-01-221-5742
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,PUMP,CENTRIFUGAL TITLE COMPONENT PN 657D1785B516A MFR IMPELLER,PUMP,CENTRIFU
KEY FEATURES
•
MATERIAL: STEEL CORROSION RESISTING
•
OVERALL DIAMETER: 10.500 INCHES NOMINAL IN
•
ROTATION DIRECTION FOR WHICH DESIGNED: COUNTERCLOCKWISE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING
OVERALL DIAMETER10.500 INCHES NOMINAL IN
ROTATION DIRECTION FOR WHICH DESIGNEDCOUNTERCLOCKWISE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
654C0495D040AInterchangeable
interchangeable cross-reference
interchangeable
CS-4320-5V-0755Interchangeable
interchangeable cross-reference
interchangeable
PL-999F0732Interchangeable
interchangeable cross-reference
interchangeable
659B0767 B477AInterchangeable
interchangeable cross-reference
interchangeable
CS-4320-SV-0750Interchangeable
interchangeable cross-reference
interchangeable
PL-999F0732 PC38Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 657D1785B516A?
657D1785B516A is a IMPELLER,PUMP,CENTRIFUGAL.
What parts can replace 657D1785B516A?
There are 12 known substitutes for 657D1785B516A: 654C0495D040A, CS-4320-5V-0755, PL-999F0732 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 657D1785B516A?
657D1785B516A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-221-5742. 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