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156690 ✓ 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: IRON OVERALL, ring_style: CONCENTRIC, overall_width: 0.2480 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN, surface_treatment: CHROMIUM OVERALL, radial_wall_thickness: 0.2280 INCHES MINIMUM AND 0.2380 INCHES MAXIMUM IN, standard_bore_diameter: 5.125 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-854-3243, 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
156690
NSN: 2815-00-854-3243
FSC: 2815
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialIRON OVERALL
ring_styleCONCENTRIC
overall_width0.2480 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
surface_treatmentCHROMIUM OVERALL
radial_wall_thickness0.2280 INCHES MINIMUM AND 0.2380 INCHES MAXIMUM IN
standard_bore_diameter5.125 INCHES IN
oil_passage_type_and_quantity13 SLOT HORIZONTALLY THROUGH RING
NSN2815-00-854-3243
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 156690 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
STANDARD BORE DIAMETER: 5.125 INCHES IN
•
MATERIAL: IRON OVERALL
•
OIL PASSAGE TYPE AND QUANTITY: 13 SLOT HORIZONTALLY THROUGH RING
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
RADIAL WALL THICKNESS: 0.2280 INCHES MINIMUM AND 0.2380 INCHES MAXIMUM IN
•
RING STYLE: CONCENTRIC
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)
STANDARD BORE DIAMETER5.125 INCHES IN
MATERIALIRON OVERALL
OIL PASSAGE TYPE AND QUANTITY13 SLOT HORIZONTALLY THROUGH RING
SURFACE TREATMENTCHROMIUM OVERALL
RADIAL WALL THICKNESS0.2280 INCHES MINIMUM AND 0.2380 INCHES MAXIMUM IN
OVERALL WIDTH0.2480 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
RING STYLECONCENTRIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
100-232Interchangeable
interchangeable cross-reference
interchangeable
10383907Interchangeable
interchangeable cross-reference
interchangeable
142767Interchangeable
interchangeable cross-reference
interchangeable
4-2035Interchangeable
interchangeable cross-reference
interchangeable
341062Interchangeable
interchangeable cross-reference
interchangeable
1002-40MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 156690?
156690 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 156690?
There are 15 known substitutes for 156690: 100-232, 10383907, 142767 and 12 more. Substitute compatibility should be verified for your specific system.
Is 156690 still available?
156690 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026