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Technical Data Sheet
PartsTable / COMPONENT / D4-4B
D4-4B ✓ 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, hub_length: 0.677 INCHES NOMINAL IN, design_type: DOUBLE WIDTH, keyway_type: PLAIN, hub_location: BACK SIDE, keyway_depth: 0.072 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-216-7494, 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
D4-4B
NSN: 4320-00-216-7494
FSC: 4320
CAGE: 04579 — AURORA PUMP A UNIT OF GENERAL SIGNAL CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY
hub_length0.677 INCHES NOMINAL IN
design_typeDOUBLE WIDTH
keyway_typePLAIN
hub_locationBACK SIDE
hub_quantity1
keyway_depth0.072 INCHES NOMINAL IN
keyway_width0.125 INCHES NOMINAL IN
overall_width0.882 INCHES NOMINAL IN
blade_quantity120
keyway_quantity1
mounting_methodKEY
NSN4320-00-216-7494
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,PUMP,CENTRIFUGAL TITLE COMPONENT PN D4-4B MFR IMPELLER,PUMP,CENTRIFU
KEY FEATURES
•
KEYWAY QUANTITY: 1
•
HUB LENGTH: 0.677 INCHES NOMINAL IN
•
OVERALL DIAMETER: 4.000 INCHES NOMINAL IN
•
KEYWAY WIDTH: 0.125 INCHES NOMINAL IN
•
HUB LOCATION: BACK SIDE
•
HUB BORE DIAMETER: 1.125 INCHES NOMINAL IN
•
ROTATION DIRECTION FOR WHICH DESIGNED: CLOCKWISE
•
MOUNTING METHOD: KEY
TECHNICAL CHARACTERISTICS (FLIS)
KEYWAY QUANTITY1
HUB LENGTH0.677 INCHES NOMINAL IN
OVERALL DIAMETER4.000 INCHES NOMINAL IN
KEYWAY WIDTH0.125 INCHES NOMINAL IN
HUB LOCATIONBACK SIDE
HUB BORE DIAMETER1.125 INCHES NOMINAL IN
ROTATION DIRECTION FOR WHICH DESIGNEDCLOCKWISE
MOUNTING METHODKEY
KEYWAY TYPEPLAIN
HUB QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
54016Interchangeable
interchangeable cross-reference
interchangeable
188Interchangeable
interchangeable cross-reference
interchangeable
3033-12CInterchangeable
interchangeable cross-reference
interchangeable
C500000035Interchangeable
interchangeable cross-reference
interchangeable
32T556Interchangeable
interchangeable cross-reference
interchangeable
78382Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D4-4B?
D4-4B is a IMPELLER,PUMP,CENTRIFUGAL.
What parts can replace D4-4B?
There are 21 known substitutes for D4-4B: 54016, 188, 3033-12C and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D4-4B?
D4-4B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-216-7494. 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