PartsTable
Technical Data Sheet
PartsTable / MRO / 503A
503A ✓ 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,PLASTIC DIELECTR. Key specifications include usage_design: INDOOR AND OUTDOOR, overall_depth: 3.500 INCHES NOMINAL IN, overall_width: 10.000 INCHES NOMINAL IN, wire_quantity: 18, overall_height: 12.250 INCHES NOMINAL IN, enclosure_feature: BOX WITH HINGED COVER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-047-7379, 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→ 503A
NSN: 5895-01-047-7379
FSC: 5895
CAGE: 99899 — NARDA HOLDINGS, INC. DBA NARDA-MITEQ DIV NARDA-MITEQ (USA)
SPECIFICATIONS
usage_designINDOOR AND OUTDOOR
overall_depth3.500 INCHES NOMINAL IN
overall_width10.000 INCHES NOMINAL IN
wire_quantity18
overall_height12.250 INCHES NOMINAL IN
enclosure_featureBOX WITH HINGED COVER
inclosure_materialALUMINUM
NSN5895-01-047-7379
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PLASTIC DIELECTR TITLE COMPONENT PN 503A MFR CAPACITOR,FIXED,PLASTI
KEY FEATURES
•
BASIC SHAPE STYLE: CYLINDRICAL
•
OVERALL DIAMETER: 0.549 INCHES NOMINAL IN
•
FREQUENCY PER CHANNEL: 18.0 GIGAHERTZ MAXIMUM OPERATING CHANNEL
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)
OVERALL LENGTH2.328 INCHES NOMINAL IN
BASIC SHAPE STYLECYLINDRICAL
OVERALL DIAMETER0.549 INCHES NOMINAL IN
FREQUENCY PER CHANNEL18.0 GIGAHERTZ MAXIMUM OPERATING CHANNEL
OVERALL LENGTH2.328 INCHES NOMINAL IN
BASIC SHAPE STYLECYLINDRICAL
OVERALL DIAMETER0.549 INCHES NOMINAL IN
FREQUENCY PER CHANNEL18.0 GIGAHERTZ MAXIMUM OPERATING CHANNEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
TS3069USMUpgraded Successor
successor cross-reference
successor
2682-06Upgraded Successor
successor cross-reference
successor
503Upgraded Successor
successor cross-reference
successor
14120-101Upgraded Successor
successor cross-reference
successor
12Z5517-801Upgraded Successor
successor cross-reference
successor
SG419UUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
Ready to buy 503A?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 503A?
503A is a CAPACITOR,FIXED,PLASTIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 503A?
There are 19 known substitutes for 503A: TS3069USM, 2682-06, 503 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503A?
503A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-047-7379. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 503A

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026