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0657C1918S902A — IMPELLER,PUMP,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

0657C1918S902A: IMPELLER,PUMP,CENTRIFUGAL.

The IMPELLER,PUMP,CENTRIFUGAL is a the manufacturer industrial component. Key specifications include material: PLASTIC, blade_type: BACKWARD CURVE, hub_length: 3.250 INCHES NOMINAL IN, design_type: DOUBLE WIDTH, keyway_type: MACHINE, hub_location: CENTRALLY. This part is cataloged in the U.S.

Government catalog under NSN 4320-01-443-8668, 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
0657C1918S902A
NSN: 4320-01-443-8668
FSC: 4320 — Power and Hand Pumps
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialPLASTIC
blade_typeBACKWARD CURVE
hub_length3.250 INCHES NOMINAL IN
design_typeDOUBLE WIDTH
keyway_typeMACHINE
hub_locationCENTRALLY
hub_quantity1
keyway_depth0.283 INCHES NOMINAL IN
keyway_width0.625 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
keyway_length3.250 INCHES NOMINAL IN
overall_width6.500 INCHES NOMINAL IN
blade_quantity5
NSN4320-01-443-8668
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,PUMP,CENTRIFUGAL TITLE COMPONENT PN 0657C1918S902A MFR IMPELLER,PUMP,CENTRIFU
KEY FEATURES
•
KEYWAY TYPE: MACHINE
•
KEYWAY DEPTH: 0.283 INCHES NOMINAL IN
•
HUB BORE DIAMETER: 2.626 INCHES MINIMUM AND 2.628 INCHES MAXIMUM IN
•
HUB LENGTH: 3.250 INCHES NOMINAL IN
•
DESIGN TYPE: DOUBLE WIDTH
•
OVERALL DIAMETER: 13.630 INCHES NOMINAL IN
•
MOUNTING METHOD: KEY
TECHNICAL CHARACTERISTICS
KEYWAY TYPEMACHINE
KEYWAY DEPTH0.283 INCHES NOMINAL IN
HUB BORE DIAMETER2.626 INCHES MINIMUM AND 2.628 INCHES MAXIMUM IN
HUB LENGTH3.250 INCHES NOMINAL IN
DESIGN TYPEDOUBLE WIDTH
OVERALL DIAMETER13.630 INCHES NOMINAL IN
MOUNTING METHODKEY
OVERALL WIDTH6.500 INCHES NOMINAL IN
KEYWAY QUANTITY1
BLADE QUANTITY5
OTHER ITEMS IN FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4320-00-001-1633 4320-00-001-2628 4320-00-001-2629 4320-00-001-2630 4320-00-001-2631 4320-00-001-2632 4320-00-001-3377 4320-00-001-3384
SUBSTITUTES & CROSS-REFERENCES 1
0657C1918S901AReference document
Same NSN cross-reference
Reference document — Secondary reference
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 0657C1918S902A?
0657C1918S902A is a IMPELLER,PUMP,CENTRIFUGAL.
What parts can replace 0657C1918S902A?
There is 1 known substitute for 0657C1918S902A: 0657C1918S901A. Substitute compatibility should be verified for your specific system.
What is the NSN for 0657C1918S902A?
0657C1918S902A is cataloged in the U.S. Government catalog under NSN 4320-01-443-8668. 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.