PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 657C0840
657C0840 ✓ 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: COPPER ALLOY, blade_type: BACKWARD CURVE, hub_length: 0.750 INCHES NOMINAL IN, design_type: SINGLE WIDTH, keyway_type: MACHINE, hub_location: BACK SIDE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-058-3084, 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
657C0840
NSN: 4320-00-058-3084
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialCOPPER ALLOY
blade_typeBACKWARD CURVE
hub_length0.750 INCHES NOMINAL IN
design_typeSINGLE WIDTH
keyway_typeMACHINE
hub_locationBACK SIDE
hub_quantity1
keyway_depth0.094 INCHES NOMINAL IN
keyway_width0.125 INCHES NOMINAL IN
keyway_length0.750 INCHES NOMINAL IN
overall_width1.063 INCHES NOMINAL IN
blade_quantity5
NSN4320-00-058-3084
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,PUMP,CENTRIFUGAL TITLE COMPONENT PN 657C0840 MFR IMPELLER,PUMP,CENTRIFU
KEY FEATURES
•
HUB QUANTITY: 1
•
BLADE QUANTITY: 5
•
DESIGN TYPE: SINGLE WIDTH
•
HUB LENGTH: 0.750 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
KEYWAY DEPTH: 0.094 INCHES NOMINAL IN
•
KEYWAY QUANTITY: 1
•
KEYWAY LENGTH: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HUB QUANTITY1
BLADE QUANTITY5
DESIGN TYPESINGLE WIDTH
HUB LENGTH0.750 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
KEYWAY DEPTH0.094 INCHES NOMINAL IN
KEYWAY QUANTITY1
KEYWAY LENGTH0.750 INCHES NOMINAL IN
HUB LOCATIONBACK SIDE
HUB BORE DIAMETER0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
SA1652-848Interchangeable
interchangeable cross-reference
interchangeable
BP3621Interchangeable
interchangeable cross-reference
interchangeable
78219Interchangeable
interchangeable cross-reference
interchangeable
227Interchangeable
interchangeable cross-reference
interchangeable
SS245Interchangeable
interchangeable cross-reference
interchangeable
A6-22Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 657C0840?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 657C0840?
657C0840 is a IMPELLER,PUMP,CENTRIFUGAL.
What parts can replace 657C0840?
There are 15 known substitutes for 657C0840: SA1652-848, BP3621, 78219 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 657C0840?
657C0840 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-058-3084. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 657C0840

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026