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Technical Data Sheet
1643276 ✓ 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 PUMP,COOLING SYSTEM,ENGINE is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include drive_shaft_type: KEY TYPE, INTERNAL, drive_shaft_length: 4.406 INCHES NOMINAL IN, drive_connection_type: GEAR, centrifugal_pump_design: RADIAL FLOW, pump_rotation_direction: CLOCKWISE, media_for_which_designed: WATER, FRESH. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-623-5700, 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
1643276
NSN: 4320-00-623-5700
FSC: 4320
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
stage_quantity1
drive_shaft_typeKEY TYPE, INTERNAL
drive_shaft_length4.406 INCHES NOMINAL IN
drive_connection_typeGEAR
centrifugal_pump_designRADIAL FLOW
pump_rotation_directionCLOCKWISE
media_for_which_designedWATER, FRESH
discharge_connection_quantity1
centrifugal_pump_impeller_quantity1
centrifugal_pump_impeller_suction_typeSINGLE
NSN4320-00-623-5700
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PUMP,COOLING SYSTEM,ENGINE TITLE COMPONENT PN 1643276 MFR PUMP,COOLING SYSTEM,EN
KEY FEATURES
STAGE QUANTITY: 1
CENTRIFUGAL PUMP IMPELLER QUANTITY: 1
CENTRIFUGAL PUMP IMPELLER SUCTION TYPE: SINGLE
CENTRIFUGAL PUMP DESIGN: RADIAL FLOW
DRIVE SHAFT LENGTH: 4.406 INCHES NOMINAL IN
PUMP ROTATION DIRECTION: CLOCKWISE
DRIVE CONNECTION TYPE: GEAR
DISCHARGE CONNECTION QUANTITY: 1
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS (FLIS)
STAGE QUANTITY1
CENTRIFUGAL PUMP IMPELLER QUANTITY1
CENTRIFUGAL PUMP IMPELLER SUCTION TYPESINGLE
CENTRIFUGAL PUMP DESIGNRADIAL FLOW
DRIVE SHAFT LENGTH4.406 INCHES NOMINAL IN
PUMP ROTATION DIRECTIONCLOCKWISE
DRIVE CONNECTION TYPEGEAR
DISCHARGE CONNECTION QUANTITY1
DRIVE SHAFT TYPEKEY TYPE, INTERNAL
MEDIA FOR WHICH DESIGNEDWATER, FRESH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
MS29513-017Interchangeable
interchangeable cross-reference
interchangeable
10-00-2066-1214Interchangeable
interchangeable cross-reference
interchangeable
1793-017Interchangeable
interchangeable cross-reference
interchangeable
P91BInterchangeable
interchangeable cross-reference
interchangeable
891BInterchangeable
interchangeable cross-reference
interchangeable
228-1143Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1643276?
1643276 is a PUMP,COOLING SYSTEM,ENGINE.
What parts can replace 1643276?
There are 21 known substitutes for 1643276: MS29513-017, 10-00-2066-1214, 1793-017 and 18 more. Substitute compatibility should be verified for your specific system.
Is 1643276 still available?
1643276 is currently cancelled.
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