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5663-8 ✓ 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 AND RING ASSEMBLY is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-021-1834, 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
5663-8
NSN: 3020-00-021-1834
FSC: 3020
CAGE: 96151 — EATON CORPORATION DIV EATON FLUID POWER (USA)
SPECIFICATIONS
Part Number5663-8
NSN3020-00-021-1834
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR AND RING ASSEMBLY TITLE COMPONENT PN 5663-8 MFR GEAR AND RING ASSEMBLY
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF GEAR W/6 TEETH,AND 7 INTERNAL LOBES WITHIN THE RING,3.000 IN. DIA,2.000 IN. W RING,SEVEN 0.320 IN. DIA HOLES ON 2.40 IN. DIA BC,12 TOOTH INVOLUTE SPLINE BORE,12/24 DP,30 DEG PRESSURE ANGLE IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF GEAR W/6 TEETH,AND 7 INTERNAL LOBES WITHIN THE RING,3.000 IN. DIA,2.000 IN. W RING,SEVEN 0.320 IN. DIA HOLES ON 2.40 IN. DIA BC,12 TOOTH INVOLUTE SPLINE BORE,12/24 DP,30 DEG PRESSURE ANGLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
5663Interchangeable
interchangeable cross-reference
interchangeable
70509-2AInterchangeable
interchangeable cross-reference
interchangeable
5663-7Interchangeable
interchangeable cross-reference
interchangeable
5663-4Interchangeable
interchangeable cross-reference
interchangeable
MIL-E-1/916Interchangeable
interchangeable cross-reference
interchangeable
6266342Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5663-8?
5663-8 is a GEAR AND RING ASSEMBLY.
What parts can replace 5663-8?
There are 13 known substitutes for 5663-8: 5663, 70509-2A, 5663-7 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5663-8?
5663-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-021-1834. 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