PartsTable
Technical Data Sheet
PartsTable / MRO / 420746-203
420746-203 ✓ 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 body_style: W/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE, body_width: 1.000 INCHES NOMINAL IN, body_height: 1.000 INCHES NOMINAL IN, body_length: 1.750 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED, nonderated_operating_temp: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-010-7557, 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→ 420746-203
NSN: 5910-01-010-7557
FSC: 5910
CAGE: 95802 — AIR SYSTEMS COMPONENTS INC DBA AIR SYSTEM COMPONENTS INC DIV TRION IAQ DIV (USA)
SPECIFICATIONS
body_styleW/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE
body_width1.000 INCHES NOMINAL IN
body_height1.000 INCHES NOMINAL IN
body_length1.750 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_height_from_body0.500 INCHES NOMINAL IN
terminal_surface_treatmentSOLDER
terminal_type_and_quantity1 STANDOFF, SOLDER LUG
tolerance_range_per_section-10.00 TO 10.00 PERCENT SINGLE SECTION
schematic_diagram_designatorELECTRODE(S) GROUNDED TO CASE
capacitance_value_per_section0.250 MICROFARADS SINGLE SECTION
NSN5910-01-010-7557
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 420746-203 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED MOUNTING HOLES
•
TOLERANCE RANGE PER SECTION: -10.00 TO 10.00 PERCENT SINGLE SECTION
•
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 1.125 INCHES NOMINAL IN
•
BODY LENGTH: 1.750 INCHES NOMINAL IN
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 660.0 AC-RMS SINGLE SECTION
•
BODY HEIGHT: 1.000 INCHES NOMINAL IN
•
CAPACITANCE VALUE PER SECTION: 0.250 MICROFARADS SINGLE SECTION
•
BODY WIDTH: 1.000 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)
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED MOUNTING HOLES
TOLERANCE RANGE PER SECTION-10.00 TO 10.00 PERCENT SINGLE SECTION
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH1.125 INCHES NOMINAL IN
BODY LENGTH1.750 INCHES NOMINAL IN
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION660.0 AC-RMS SINGLE SECTION
BODY HEIGHT1.000 INCHES NOMINAL IN
CAPACITANCE VALUE PER SECTION0.250 MICROFARADS SINGLE SECTION
BODY WIDTH1.000 INCHES NOMINAL IN
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE
TERMINAL HEIGHT FROM BODY0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
103079Interchangeable
interchangeable cross-reference
interchangeable
CA20959AInterchangeable
interchangeable cross-reference
interchangeable
470069HC0Interchangeable
interchangeable cross-reference
interchangeable
26-00301-0060Interchangeable
Same NIIN cross-reference
interchangeable
0420746-108Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 420746-203?
420746-203 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 420746-203?
There are 5 known substitutes for 420746-203: 103079, CA20959A, 470069HC0 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 420746-203?
420746-203 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-010-7557. 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