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Technical Data Sheet
211664 ✓ 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

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: STEEL OVERALL, anode_type: PLAIN FOIL, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 1.034 INCHES NOMINAL IN, corner_shape: SQUARE ALL CORNERS, body_diameter: 0.519 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-373-8391, 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 211664
NSN: 5365-00-373-8391
FSC: 5365
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length1.034 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
body_diameter0.519 INCHES NOMINAL IN
overall_length0.5930 INCHES NOMINAL IN
hardness_rating25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
terminal_length1.611 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END
features_providedHERMETICALLY SEALED CASE
terminal_diameter0.022 INCHES NOMINAL IN
NSN5365-00-373-8391
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 211664 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
BODY INSIDE DIAMETER: 0.6050 INCHES NOMINAL IN
CORNER SHAPE: SQUARE ALL CORNERS
HARDNESS RATING: 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END
MATERIAL: STEEL OVERALL
BODY OUTSIDE DIAMETER: 0.7550 INCHES NOMINAL IN
LEFT INTERNAL FLANGE HOLE DIAMETER: 0.4850 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)
BODY INSIDE DIAMETER0.6050 INCHES NOMINAL IN
CORNER SHAPESQUARE ALL CORNERS
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END
MATERIALSTEEL OVERALL
BODY OUTSIDE DIAMETER0.7550 INCHES NOMINAL IN
OVERALL LENGTH0.5930 INCHES NOMINAL IN
LEFT INTERNAL FLANGE HOLE DIAMETER0.4850 INCHES NOMINAL IN
LEFT INTERNAL FLANGE WIDTH0.1000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
183-1560-00Interchangeable
interchangeable cross-reference
interchangeable
D29075Interchangeable
interchangeable cross-reference
interchangeable
211664Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 211664?
211664 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 211664?
There are 3 known substitutes for 211664: 183-1560-00, D29075, 211664. Substitute compatibility should be verified for your specific system.
What is the NSN for 211664?
211664 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-373-8391. This indicates validated use in U.S. government and defense supply chains.
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