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Technical Data Sheet
4178765 ✓ 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,PLASTIC DIELECTR. Key specifications include bearings: NOT INCLUDED, material: ALUMINUM ALLOY OVERALL, bore_type: STRAIGHT, face_width: 2.000 INCHES NOMINAL IN, bore_length: 1.904 INCHES NOMINAL IN, design_form: WEBBED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-01-029-8561, 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
4178765
NSN: 3020-01-029-8561
FSC: 3020
CAGE: T0720 — FNSS SAVUNMA SISTEMLERI ANONIM SIRKETI (TUR)
SPECIFICATIONS
bearingsNOT INCLUDED
materialALUMINUM ALLOY OVERALL
quantity1
bore_typeSTRAIGHT
face_width2.000 INCHES NOMINAL IN
bore_length1.904 INCHES NOMINAL IN
design_formWEBBED
bore_featureINCLUDED
groove_depth0.625 INCHES NOMINAL IN
groove_shapeV
groove_width0.625 INCHES NOMINAL IN
keyway_width0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
NSN3020-01-029-8561
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PLASTIC DIELECTR TITLE COMPONENT PN 4178765 MFR CAPACITOR,FIXED,PLASTI
KEY FEATURES
COUNTERBORE FEATURE: NOT INCLUDED
SECURING LOCATION: BOTH ENDS
UNABLE TO DECODE: UNABLE TO DECODE AND UNABLE TO DECODE
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION: 0.685 INCHES NOMINAL AA END AND 0.781 INCHES NOMINAL BB END IN
SPLIT HUB FEATURE: NOT INCLUDED
MATERIAL: ALUMINUM ALLOY OVERALL
KEYING FACILITY TYPE: KEYWAY
BORE FEATURE: INCLUDED
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)
COUNTERBORE FEATURENOT INCLUDED
SECURING LOCATIONBOTH ENDS
UNABLE TO DECODEUNABLE TO DECODE AND UNABLE TO DECODE
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION0.685 INCHES NOMINAL AA END AND 0.781 INCHES NOMINAL BB END IN
SPLIT HUB FEATURENOT INCLUDED
MATERIALALUMINUM ALLOY OVERALL
KEYING FACILITY TYPEKEYWAY
BORE FEATUREINCLUDED
LIGHTENING HOLEINCLUDED
UNABLE TO DECODEUNABLE TO DECODE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
MILC19978-16Interchangeable
interchangeable cross-reference
interchangeable
SM64-21Interchangeable
interchangeable cross-reference
interchangeable
CQR39A1KF104K3MInterchangeable
interchangeable cross-reference
interchangeable
21185Interchangeable
interchangeable cross-reference
interchangeable
30060-1Interchangeable
interchangeable cross-reference
interchangeable
CP09A1KF104K3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4178765?
4178765 is a CAPACITOR,FIXED,PLASTIC DIELECTR.
What parts can replace 4178765?
There are 12 known substitutes for 4178765: MILC19978-16, SM64-21, CQR39A1KF104K3M and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4178765?
4178765 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-01-029-8561. This indicates validated use in U.S. government and defense supply chains.
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