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Technical Data Sheet
312A1 ✓ 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,FIXED,PAPER DIELECTRIC. Key specifications include height: 1.710 INCHES NOMINAL IN, material: STEEL OVERALL, body_style: W/MTG BRACKET, TERMINAL(S) ON ONE END, body_length: 1.750 INCHES NOMINAL IN, body_diameter: 0.667 INCHES NOMINAL IN, inside_diameter: 2.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-164-7518, 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 312A1
NSN: 5910-00-164-7518
FSC: 5910
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
height1.710 INCHES NOMINAL IN
materialSTEEL OVERALL
body_styleW/MTG BRACKET, TERMINAL(S) ON ONE END
body_length1.750 INCHES NOMINAL IN
body_diameter0.667 INCHES NOMINAL IN
inside_diameter2.250 INCHES NOMINAL IN
terminal_length0.375 INCHES NOMINAL IN
flange_thickness0.089 INCHES NOMINAL IN
special_featuresHOLE 0.640 IN. DIA THRU ENTIRE BODY IN
style_designatorROUND W/FOUR FLANGES
load/frequency_rangeNOT RATED
flexing_member_height0.120 INCHES NOMINAL IN
NSN5910-00-164-7518
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 312A1 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
BODY STYLE: W/MTG BRACKET, TERMINAL(S) ON ONE END
BODY DIAMETER: 0.667 INCHES NOMINAL IN
SCHEMATIC DIAGRAM DESIGNATOR: ELECTRODE(S) GROUNDED TO CASE
TERMINAL LENGTH: 0.375 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY: 1 THREADED STUD
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 0.500 INCHES NOMINAL IN
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 300.0 DC SINGLE SECTION
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 STYLEW/MTG BRACKET, TERMINAL(S) ON ONE END
BODY DIAMETER0.667 INCHES NOMINAL IN
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE
TERMINAL LENGTH0.375 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY1 THREADED STUD
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH0.500 INCHES NOMINAL IN
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION300.0 DC SINGLE SECTION
RELIABILITY INDICATORNOT ESTABLISHED
BODY LENGTH1.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
55-22489-20Interchangeable
interchangeable cross-reference
interchangeable
17540PInterchangeable
interchangeable cross-reference
interchangeable
10238Interchangeable
interchangeable cross-reference
interchangeable
600-12CFInterchangeable
interchangeable cross-reference
interchangeable
600-12GMEInterchangeable
interchangeable cross-reference
interchangeable
A504570-12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 312A1?
312A1 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 312A1?
There are 22 known substitutes for 312A1: 55-22489-20, 17540P, 10238 and 19 more. Substitute compatibility should be verified for your specific system.
Is 312A1 still available?
312A1 is currently cancelled.
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