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Technical Data Sheet
PartsTable / MRO / A803-4
A803-4 ✓ 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,VARIABLE,PLASTIC DIELE. Key specifications include color: BROWN, width: 4.000 INCHES NOMINAL IN, length: 5.000 YARDS NOMINAL, material: COTTON AND RUBBER, body_style: PISTON, body_length: 0.984 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 6510-00-105-5806, 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→ A803-4
NSN: 6510-00-105-5806
FSC: 6510
CAGE: 78498 — PERFORMANCE HEALTH SUPPLY, INC. DBA ROLYAN BUOYS DIV DBA-ROLYAN BUOYS (USA)
SPECIFICATIONS
colorBROWN
width4.000 INCHES NOMINAL IN
length5.000 YARDS NOMINAL
materialCOTTON AND RUBBER
body_stylePISTON
body_length0.984 INCHES NOMINAL IN
color_locationOVERALL
inclosure_typeENCAPSULATED
overall_diameter0.238 INCHES NOMINAL IN
special_featuresLIGHT WEIGHT; MOISTURE RESISTANT; POROUS
material_locationOVERALL
component_quantity5
NSN6510-00-105-5806
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,PLASTIC DIELE TITLE COMPONENT PN A803-4 MFR CAPACITOR,VARIABLE,PLA
KEY FEATURES
•
WIDTH: 4.000 INCHES NOMINAL IN
•
MATERIAL LOCATION: OVERALL
•
COLOR: BROWN
•
COLOR LOCATION: OVERALL
•
MATERIAL: COTTON AND RUBBER
•
LENGTH: 5.000 YARDS NOMINAL
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)
WIDTH4.000 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCOBAN 4" X 5 YDS 18S
MATERIAL LOCATIONOVERALL
SPECIAL FEATURESLIGHT WEIGHT; MOISTURE RESISTANT; POROUS
COLORBROWN
COLOR LOCATIONOVERALL
MATERIALCOTTON AND RUBBER
LENGTH5.000 YARDS NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
8338865Interchangeable
interchangeable cross-reference
interchangeable
3174Interchangeable
interchangeable cross-reference
interchangeable
1584Interchangeable
interchangeable cross-reference
interchangeable
F72T12CWSH0Interchangeable
interchangeable cross-reference
interchangeable
833-0535003Interchangeable
interchangeable cross-reference
interchangeable
A8034Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A803-4?
A803-4 is a CAPACITOR,VARIABLE,PLASTIC DIELE. It is classified as a MRO (MRO_GENERAL).
What parts can replace A803-4?
There are 23 known substitutes for A803-4: 8338865, 3174, 1584 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A803-4?
A803-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6510-00-105-5806. 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