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Technical Data Sheet
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63951 ✓ 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

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include end_item_identification: AIRCRAFT,MODEL KC-135A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-350-4237, 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
63951
NSN: 3020-00-350-4237
FSC: 3020
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT,MODEL KC-135A A
NSN3020-00-350-4237
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 63951 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
PITCH ANGLE: 31.4295 DEGREES
•
TEETH TYPE: STRAIGHT
•
BORE STYLE: INVOLUTE SPLINE BOTH ENDS
•
FIRST STEP NOMINAL DIAMETER: 1.218 INCHES SECOND END IN
•
SPLINE PITCH DIAMETER: 0.6000 INCHES NOMINAL BOTH ENDS IN
•
END NOMINAL DIAMETER: 0.935 INCHES SECOND END IN
•
HARDNESS RATING: 60.0 ROCKWELL C NOMINAL TEETH
•
SPLINE QUANTITY: 12 BOTH ENDS
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
PITCH ANGLE31.4295 DEGREES
TEETH TYPESTRAIGHT
BORE STYLEINVOLUTE SPLINE BOTH ENDS
FIRST STEP NOMINAL DIAMETER1.218 INCHES SECOND END IN
SPLINE PITCH DIAMETER0.6000 INCHES NOMINAL BOTH ENDS IN
END NOMINAL DIAMETER0.935 INCHES SECOND END IN
HARDNESS RATING60.0 ROCKWELL C NOMINAL TEETH
SPLINE QUANTITY12 BOTH ENDS
SPECIAL FEATURESSPLINE MINOR DIA. 0.553 IN. IN
TEETH QUANTITY11
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
67360Interchangeable
interchangeable cross-reference
interchangeable
200919Interchangeable
interchangeable cross-reference
interchangeable
5340001324227Interchangeable
interchangeable cross-reference
interchangeable
6395Interchangeable
interchangeable cross-reference
interchangeable
6395-1AInterchangeable
interchangeable cross-reference
interchangeable
6395-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 63951?
63951 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace 63951?
There are 6 known substitutes for 63951: 67360, 200919, 5340001324227 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 63951?
63951 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-350-4237. 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