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Technical Data Sheet
PartsTable / COMPONENT / X-538
X-538 ✓ 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

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include length: 8.375 INCHES NOMINAL IN, material: COPPER ALLOY 260 OVERALL, thickness: 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN, temp_rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF, hole_diameter: 0.101 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN, overall_width: 0.125 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 9390-00-053-0241, 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
X-538
NSN: 9390-00-053-0241
FSC: 9390
CAGE: 70485 — ATLANTIC INDIA RUBBER CO INC (USA)
SPECIFICATIONS
length8.375 INCHES NOMINAL IN
materialCOPPER ALLOY 260 OVERALL
thickness0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
temp_rating-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF
hole_diameter0.101 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
overall_width0.125 INCHES NOMINAL IN
overall_height0.188 INCHES NOMINAL IN
overall_diameter0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
special_featuresAFBMA STANDARD TOLERANCE FOR BALLS,GRADE 24
style_designatorBALL
surface_treatmentNICKEL OVERALL
base_flange_thickness0.032 INCHES NOMINAL IN
NSN9390-00-053-0241
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN X-538 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
CROSS-SECTIONAL SHAPE STYLE: OPEN CHANNEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: A12C5A2, GENERAL ELECTRIC CO MFR REF SINGLE MATERIAL RESPONSE
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY LENGTH
•
RIGHT SIDE FLANGE THICKNESS: 0.031 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
•
BASE FLANGE THICKNESS: 0.031 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)
CROSS-SECTIONAL SHAPE STYLEOPEN CHANNEL
MATERIAL DOCUMENT AND CLASSIFICATIONA12C5A2, GENERAL ELECTRIC CO MFR REF SINGLE MATERIAL RESPONSE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY LENGTH
OVERALL HEIGHT0.188 INCHES NOMINAL IN
RIGHT SIDE FLANGE THICKNESS0.031 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
BASE FLANGE THICKNESS0.031 INCHES NOMINAL IN
OVERALL WIDTH0.125 INCHES NOMINAL IN
ENVIRONMENTAL PROTECTIONWARP/TWIST
RIGHT SIDE FLANGE HEIGHT0.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
474403PG925PC24Interchangeable
interchangeable cross-reference
interchangeable
145625Interchangeable
interchangeable cross-reference
interchangeable
733492Interchangeable
interchangeable cross-reference
interchangeable
X538Interchangeable
interchangeable cross-reference
interchangeable
ASTM D2000Interchangeable
interchangeable cross-reference
interchangeable
949209-9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X-538?
X-538 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace X-538?
There are 10 known substitutes for X-538: 474403PG925PC24, 145625, 733492 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for X-538?
X-538 is cataloged in the Federal Logistics Information System (FLIS) under NSN 9390-00-053-0241. 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