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PartsTable / COMPONENT / 1669890
1669890 ✓ 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 GEAR SYNCHRONIZER ASSEMBLY is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-654-3458, 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
1669890
NSN: 2520-00-654-3458
FSC: 2520
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCONSIST OF,2 OUTER STOP RINGS P/N 1669893,2 ASSEMBLY-INNER STOP RING AND CLUTCH PINS P/N 1669891,1 SLIDING CLUTCH P/N 1664334,1 CLUTCH GEAR P/N 1664335
NSN2520-00-654-3458
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR SYNCHRONIZER ASSEMBLY TITLE COMPONENT PN 1669890 MFR GEAR SYNCHRONIZER ASSE
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSIST OF,2 OUTER STOP RINGS P/N 1669893,2 ASSEMBLY-INNER STOP RING AND CLUTCH PINS P/N 1669891,1 SLIDING CLUTCH P/N 1664334,1 CLUTCH GEAR P/N 1664335
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSIST OF,2 OUTER STOP RINGS P/N 1669893,2 ASSEMBLY-INNER STOP RING AND CLUTCH PINS P/N 1669891,1 SLIDING CLUTCH P/N 1664334,1 CLUTCH GEAR P/N 1664335
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
92128Interchangeable
interchangeable cross-reference
interchangeable
20406Interchangeable
interchangeable cross-reference
interchangeable
834Interchangeable
interchangeable cross-reference
interchangeable
92198Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1669890?
1669890 is a GEAR SYNCHRONIZER ASSEMBLY.
What parts can replace 1669890?
There are 4 known substitutes for 1669890: 92128, 20406, 834 and 1 more. Substitute compatibility should be verified for your specific system.
Is 1669890 still available?
1669890 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026