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TR57686 ✓ 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 CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include material: COPPER ALL FLANGE, flexibility: RIGID SINGLE TUBING SEGMENT, flange_depth: 0.375 INCHES NOMINAL FIRST FLANGE IN, flange_style: CHOKE TYPE FIRST FLANGE, thread_class: 2B SECOND FLANGE ALL CONNECTION FACILITIES, style_designator: OFFSET BEND TYPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-093-0997, 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
TR57686
NSN: 5985-00-093-0997
FSC: 5985
CAGE: 06351 — MICROWAVE ENGINEERING CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALL FLANGE
flexibilityRIGID SINGLE TUBING SEGMENT
flange_depth0.375 INCHES NOMINAL FIRST FLANGE IN
flange_styleCHOKE TYPE FIRST FLANGE
thread_class2B SECOND FLANGE ALL CONNECTION FACILITIES
flange_quantity2
style_designatorOFFSET BEND TYPE
thread_directionRIGHT-HAND SECOND FLANGE ALL CONNECTION FACILITIES
waveguide_length5.400 INCHES NOMINAL IN
bend_angle_in_deg90.0 ALL BENDS E-PLANE
surface_treatmentCHROMATE ALL FLANGE INSIDE SURFACES
flange_inside_width0.705 INCHES NOMINAL SECOND FLANGE IN
NSN5985-00-093-0997
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN TR57686 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
FLANGE INSIDE DIAMETER: 0.609 INCHES NOMINAL FIRST FLANGE IN
•
BEND ANGLE IN DEG: 90.0 ALL BENDS E-PLANE
•
FLANGE QUANTITY: 2
•
FLANGE DEPTH: 0.312 INCHES NOMINAL SECOND FLANGE IN
•
FLANGE OUTSIDE HEIGHT: 1.312 INCHES NOMINAL SECOND FLANGE IN
•
WAVEGUIDE OUTSIDE HEIGHT: 0.391 INCHES NOMINAL IN
•
FLANGE INSIDE WIDTH: 0.622 INCHES NOMINAL FIRST FLANGE IN
•
WAVEGUIDE INSIDE HEIGHT: 0.311 INCHES NOMINAL 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)
FLANGE INSIDE DIAMETER0.609 INCHES NOMINAL FIRST FLANGE IN
BEND ANGLE IN DEG90.0 ALL BENDS E-PLANE
FLANGE QUANTITY2
FLANGE DEPTH0.312 INCHES NOMINAL SECOND FLANGE IN
FLANGE OUTSIDE HEIGHT1.312 INCHES NOMINAL SECOND FLANGE IN
WAVEGUIDE OUTSIDE HEIGHT0.391 INCHES NOMINAL IN
FLANGE INSIDE WIDTH0.622 INCHES NOMINAL FIRST FLANGE IN
WAVEGUIDE INSIDE HEIGHT0.311 INCHES NOMINAL IN
FLANGE OUTSIDE HEIGHT1.312 INCHES NOMINAL FIRST FLANGE IN
FLANGE INSIDE WIDTH0.705 INCHES NOMINAL SECOND FLANGE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1145469Interchangeable
interchangeable cross-reference
interchangeable
114558Interchangeable
interchangeable cross-reference
interchangeable
3904Interchangeable
interchangeable cross-reference
interchangeable
213569Interchangeable
interchangeable cross-reference
interchangeable
MILV20065Interchangeable
interchangeable cross-reference
interchangeable
1145-5-8BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TR57686?
TR57686 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace TR57686?
There are 12 known substitutes for TR57686: 1145469, 114558, 3904 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TR57686?
TR57686 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-093-0997. 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