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A738 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-186-0956, 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
A738
NSN: 4320-01-186-0956
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
Part NumberA738
NSN4320-01-186-0956
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,PUMP,CENTRIFUGAL TITLE COMPONENT PN A738 MFR IMPELLER,PUMP,CENTRIFU
KEY FEATURES
•
OVERALL DIAMETER: 10.251 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER10.251 INCHES NOMINAL IN
MATERIALNICKEL ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
999D0562Interchangeable
interchangeable cross-reference
interchangeable
656C0402J030AInterchangeable
interchangeable cross-reference
interchangeable
PL-999D0562 PIECE 36Interchangeable
interchangeable cross-reference
interchangeable
PL-999D0562 PIECE 41Interchangeable
interchangeable cross-reference
interchangeable
661B0147H024AInterchangeable
interchangeable cross-reference
interchangeable
A737Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A738?
A738 is a IMPELLER,PUMP,CENTRIFUGAL.
What parts can replace A738?
There are 13 known substitutes for A738: 999D0562, 656C0402J030A, PL-999D0562 PIECE 36 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A738?
A738 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-186-0956. 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