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Technical Data Sheet
PartsTable / MRO / 31-157
31-157 ✓ 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,VARIABLE,CERAMIC DIELE. Key specifications include color: BLUE, width: 6.000 INCHES NOMINAL IN, length: 108.000 INCHES NOMINAL IN, body_style: ROTARY, body_width: 0.610 INCHES NOMINAL IN, body_height: 0.606 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 2825-00-389-9759, 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→ 31-157
NSN: 2825-00-389-9759
FSC: 2825
CAGE: 59560 — TERRY CORP OF CONNECTICUT SUB OF INGERSOLL-RAND CO (USA)
SPECIFICATIONS
colorBLUE
width6.000 INCHES NOMINAL IN
length108.000 INCHES NOMINAL IN
body_styleROTARY
body_width0.610 INCHES NOMINAL IN
body_height0.606 INCHES NOMINAL IN
body_length1.201 INCHES NOMINAL IN
inclosure_typeENCAPSULATED
special_featuresSTERILE; POWDERLESS; AUTOCLAVABLE; DISPOSABLE; ESMARK IV DESIGN; FOR BLOODLESS SURGERY
terminal_type_and_quantity2 TAB, SOLDER LUG
capacitance_range_in_picofarads+1.0 TO 3.5 SINGLE SECTION
quantity_within_each_unit_package20.000 ROLL
NSN2825-00-389-9759
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,CERAMIC DIELE TITLE COMPONENT PN 31-157 MFR CAPACITOR,VARIABLE,CER
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
820DInterchangeable
interchangeable cross-reference
interchangeable
3115-7Interchangeable
interchangeable cross-reference
interchangeable
80-31157Interchangeable
interchangeable cross-reference
interchangeable
35-609Interchangeable
interchangeable cross-reference
interchangeable
HANDSET/PTT/ATTInterchangeable
interchangeable cross-reference
interchangeable
E2139PC19-20Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31-157?
31-157 is a CAPACITOR,VARIABLE,CERAMIC DIELE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 31-157?
There are 15 known substitutes for 31-157: 820D, 3115-7, 80-31157 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31-157?
31-157 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2825-00-389-9759. 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