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322789 — PUMP UNIT,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

322789: PUMP UNIT,CENTRIFUGAL.

The PUMP UNIT,CENTRIFUGAL is a the manufacturer industrial component. Key specifications include phase: THREE, current_type: AC, cooling_method: BLOWER COOLED, inclosure_type: FULLY INCLOSED, control_location: LEFT SIDE, prime_mover_type: ELECTRIC MOTOR. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-258-2695, 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
322789
NSN: 4320-00-258-2695
FSC: 4320 — Power and Hand Pumps
CAGE: 33654 — HOWDEN FLUID SYSTEMS (USA)
SPECIFICATIONS
phaseTHREE
current_typeAC
pump_quantity1
cooling_methodBLOWER COOLED
inclosure_typeFULLY INCLOSED
stage_quantity1
control_locationLEFT SIDE
prime_mover_typeELECTRIC MOTOR
voltage_in_volts115.0 AND 200.0
features_providedSELF-PRIMING
discharge_pressure0.0 WATER CONSERVING - WATER SAVING TECHNOLOGIES - LOW-FLOW PRE-RINSE SPRAY VALVES
frequency_in_hertz400.0
NSN4320-00-258-2695
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PUMP UNIT,CENTRIFUGAL TITLE COMPONENT PN 322789 MFR PUMP UNIT,CENTRIFUGAL
KEY FEATURES
•
DISCHARGE CONNECTION QUANTITY: 1
•
PHASE: THREE
•
INTAKE CONNECTION TYPE: FLARED TUBE
•
FREQUENCY IN HERTZ: 400.0
•
INCLOSURE TYPE: FULLY INCLOSED
•
CURRENT TYPE: AC
•
PUMPING ELEMENT OPERATING POSITION: HORIZONTAL
•
PRIME MOVER POWER RATING: 0.250 HORSEPOWER
TECHNICAL CHARACTERISTICS
DISCHARGE CONNECTION QUANTITY1
PHASETHREE
INTAKE CONNECTION TYPEFLARED TUBE
FREQUENCY IN HERTZ400.0
INCLOSURE TYPEFULLY INCLOSED
CURRENT TYPEAC
PUMPING ELEMENT OPERATING POSITIONHORIZONTAL
PRIME MOVER POWER RATING0.250 HORSEPOWER
CENTRIFUGAL PUMP IMPELLER QUANTITY1
VOLTAGE IN VOLTS115.0 AND 200.0
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 2
1137831-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
322788G1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 322789?
322789 is a PUMP UNIT,CENTRIFUGAL.
What parts can replace 322789?
There are 2 known substitutes for 322789: 1137831-1, 322788G1. Substitute compatibility should be verified for your specific system.
What is the NSN for 322789?
322789 is cataloged in the U.S. Government catalog under NSN 4320-00-258-2695. 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.