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PartsTable / COMPONENT / A399A
A399A ✓ 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, overall_diameter: 3.675 INCHES NOMINAL IN, rotation_direction_for_which_designed: CLOCKWISE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-972-8956, 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
A399A
NSN: 4320-00-972-8956
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_diameter3.675 INCHES NOMINAL IN
rotation_direction_for_which_designedCLOCKWISE
NSN4320-00-972-8956
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,PUMP,CENTRIFUGAL TITLE COMPONENT PN A399A MFR IMPELLER,PUMP,CENTRIFU
KEY FEATURES
•
MATERIAL: COPPER ALLOY
•
ROTATION DIRECTION FOR WHICH DESIGNED: CLOCKWISE
•
OVERALL DIAMETER: 3.675 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
ROTATION DIRECTION FOR WHICH DESIGNEDCLOCKWISE
OVERALL DIAMETER3.675 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
SI-11931Interchangeable
interchangeable cross-reference
interchangeable
A-508Interchangeable
interchangeable cross-reference
interchangeable
E-31100Interchangeable
interchangeable cross-reference
interchangeable
XT36297REVAPC51Interchangeable
interchangeable cross-reference
interchangeable
36297-51Interchangeable
interchangeable cross-reference
interchangeable
X1-6713-1503876REVAPC51Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A399A?
A399A is a IMPELLER,PUMP,CENTRIFUGAL.
What parts can replace A399A?
There are 10 known substitutes for A399A: SI-11931, A-508, E-31100 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A399A?
A399A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-972-8956. 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