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Technical Data Sheet
PartsTable / MRO / 85966
85966 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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,MICA DIELECTRIC. Key specifications include material: RUBBER BODY, tube_type: DIODE, body_style: BUTTON TYPE, W/O MTG TABS, body_length: 0.375 INCHES NOMINAL IN, body_diameter: 2.938 INCHES NOMINAL IN, exterior_color: BLACK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1650-00-317-5597, 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
MRO→ MRO_GENERAL→ 85966
NSN: 1650-00-317-5597
FSC: 1650
CAGE: 81982 — HYDRO-AIRE AEROSPACE CORP (USA)
SPECIFICATIONS
materialRUBBER BODY
tube_typeDIODE
body_styleBUTTON TYPE, W/O MTG TABS
body_length0.375 INCHES NOMINAL IN
body_diameter2.938 INCHES NOMINAL IN
exterior_colorBLACK
inside_diameter0.750 INCHES NOMINAL IN
outside_diameter1.060 INCHES NOMINAL IN
special_featuresUSED FOR RAPID BLOOD CELL DIFFERENTIAL COUNTS OR AS A GENERAL CYTOLOGY STAIN
identifying_number85966 DRAWING NO.
envelope_medium_typeVACUUM
reliability_indicatorNOT ESTABLISHED
NSN1650-00-317-5597
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN 85966 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 0.570 IN. LG,0.611 IN. DIA,0.237 IN.ID IN
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)
GENERAL CHARACTERISTICS ITEM DESCRIPTION0.570 IN. LG,0.611 IN. DIA,0.237 IN.ID IN
END ITEM IDENTIFICATION16502952369
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
124113-001Interchangeable
interchangeable cross-reference
interchangeable
C458-1092Interchangeable
interchangeable cross-reference
interchangeable
506978-12Interchangeable
interchangeable cross-reference
interchangeable
85966Interchangeable
interchangeable cross-reference
interchangeable
NC9581034Interchangeable
interchangeable cross-reference
interchangeable
6550NCM010153Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 85966?
85966 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 85966?
There are 7 known substitutes for 85966: 124113-001, C458-1092, 506978-12 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 85966?
85966 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1650-00-317-5597. 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