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PartsTable / COMPONENT / 641645
641645 ✓ 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

SEAL ASSEMBLY,SHAFT,SPRING LOADE. Key specifications include special_features: COMPLETE MECHANICAL SEAL ASSY DOES NOT INCLUDE SHAFT, end_item_identification: PUMP CTFGL, part_name_assigned_by_controlling_agency: SEAL ASSEMBLY,SHAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-508-4950, 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
641645
NSN: 4320-01-508-4950
FSC: 4320
CAGE: 07524 — DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER (USA)
SPECIFICATIONS
special_featuresCOMPLETE MECHANICAL SEAL ASSY DOES NOT INCLUDE SHAFT
end_item_identificationPUMP CTFGL
part_name_assigned_by_controlling_agencySEAL ASSEMBLY,SHAFT
NSN4320-01-508-4950
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEAL ASSEMBLY,SHAFT,SPRING LOADE TITLE COMPONENT PN 641645 MFR SEAL ASSEMBLY,SHAFT,SP
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESCOMPLETE MECHANICAL SEAL ASSY DOES NOT INCLUDE SHAFT
END ITEM IDENTIFICATIONPUMP CTFGL
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL ASSEMBLY,SHAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
98-1389Interchangeable
interchangeable cross-reference
interchangeable
6385Interchangeable
interchangeable cross-reference
interchangeable
10120 PC 80Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 641645?
641645 is a SEAL ASSEMBLY,SHAFT,SPRING LOADE.
What parts can replace 641645?
There are 3 known substitutes for 641645: 98-1389, 6385, 10120 PC 80. Substitute compatibility should be verified for your specific system.
What is the NSN for 641645?
641645 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-508-4950. 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