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8555521 — PUMP UNIT,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

8555521: PUMP UNIT,CENTRIFUGAL.

The PUMP UNIT,CENTRIFUGAL is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: GEAR DRIVEN. This part is cataloged in the U.S.

Government catalog under NSN 4320-01-018-0924, 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
8555521
NSN: 4320-01-018-0924
NIINs: 010180924, 017241579
FSC: 4320 — Power and Hand Pumps
CAGE: 3B150 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyGEAR DRIVEN
NSN4320-01-018-0924
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PUMP UNIT,CENTRIFUGAL TITLE COMPONENT PN 8555521 MFR PUMP UNIT,CENTRIFUGAL
KEY FEATURES
•
DISCHARGE CONNECTION QUANTITY: 1
•
PHASE: THREE
•
INTAKE CONNECTION TYPE: ROUND FLANGE
•
FREQUENCY IN HERTZ: 60.0
•
INCLOSURE TYPE: FULLY INCLOSED
•
CURRENT TYPE: AC
•
PUMPING ELEMENT OPERATING POSITION: HORIZONTAL
•
SUCTION LIFT: 35.000 FEET FT
TECHNICAL CHARACTERISTICS
DISCHARGE CONNECTION QUANTITY1
PHASETHREE
INTAKE CONNECTION TYPEROUND FLANGE
FREQUENCY IN HERTZ60.0
INCLOSURE TYPEFULLY INCLOSED
CURRENT TYPEAC
PUMPING ELEMENT OPERATING POSITIONHORIZONTAL
SUCTION LIFT35.000 FEET FT
CENTRIFUGAL PUMP IMPELLER QUANTITY1
VOLTAGE IN VOLTS440.0
SUBSTITUTES & CROSS-REFERENCES 1
4320PL1943030Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8555521?
8555521 is a PUMP UNIT,CENTRIFUGAL.
What parts can replace 8555521?
There is 1 known substitute for 8555521: 4320PL1943030. Substitute compatibility should be verified for your specific system.
What is the NSN for 8555521?
8555521 is cataloged in the U.S. Government catalog under NSN 4320-01-018-0924. 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.