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PartsTable / COMPONENT / 77-112
77-112 ✓ 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 color: BLACK CASE, shape: ROUND, width: 2.875 INCHES NOMINAL IN, height: 0.969 INCHES NOMINAL IN, length: 1.750 INCHES NOMINAL IN, material: STEEL COMP 1018. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1285-00-051-6524, 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
77-112
NSN: 1285-00-051-6524
FSC: 1285
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
colorBLACK CASE
shapeROUND
width2.875 INCHES NOMINAL IN
height0.969 INCHES NOMINAL IN
length1.750 INCHES NOMINAL IN
materialSTEEL COMP 1018
dial_size1-1/2 IN. DIA IN
pad_shapeCIRCULAR
base_styleCANDELABRA SCREW
bezel_typeSLIPS-ON
bulb_styleP (PEAR)
face_width2.000 INCHES NOMINAL IN
NSN1285-00-051-6524
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 77-112 MFR CAPACITOR,FIXED,ELECTR
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 5
77-1-1-2GREInterchangeable
interchangeable cross-reference
interchangeable
77-1-1-2Interchangeable
interchangeable cross-reference
interchangeable
5025B1Interchangeable
interchangeable cross-reference
interchangeable
D17259-2Interchangeable
interchangeable cross-reference
interchangeable
1601BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77-112?
77-112 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 77-112?
There are 5 known substitutes for 77-112: 77-1-1-2GRE, 77-1-1-2, 5025B1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77-112?
77-112 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1285-00-051-6524. 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