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Technical Data Sheet
PartsTable / MRO / R5401-002
R5401-002 ✓ 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,AIR DIELECTRI. Key specifications include material: ALUMINUM AND CERAMIC BASE, body_style: PISTON, body_length: 0.313 INCHES NOMINAL IN, thread_class: 2A A, bushing_shape: ROUND, bushing_length: 0.218 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 5910-01-123-2080, 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→ R5401-002
NSN: 5910-01-123-2080
FSC: 5910
CAGE: 91293 — KNOWLES CAZENOVIA, INC. DIV JOHANSON MANUFACTURING (USA)
SPECIFICATIONS
materialALUMINUM AND CERAMIC BASE
body_stylePISTON
body_length0.313 INCHES NOMINAL IN
thread_class2A A
bushing_shapeROUND
bushing_length0.218 INCHES NOMINAL IN
inclosure_typeENCASED
overall_length0.578 INCHES MAXIMUM IN
terminal_length0.500 INCHES NOMINAL IN
bushing_diameter0.2344 INCHES NOMINAL IN
overall_diameter0.281 INCHES NOMINAL IN
precious_materialGOLD
NSN5910-01-123-2080
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN R5401-002 MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
NONDERATED VOLTAGE RATING AND TYPE: 250.0 DC CONTINUOUS SINGLE SECTION
•
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH: 0.296 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
•
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS: 0.0 SINGLE SECTION
•
PRECIOUS MATERIAL: GOLD
•
INSULATION DC RESISTANCE AT MAX OPERATING TEMP: 100.0 GIGOHMS
•
BUSHING SHAPE: ROUND
•
TERMINAL TYPE AND QUANTITY: 3 PRINTED CIRCUIT
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)
NONDERATED VOLTAGE RATING AND TYPE250.0 DC CONTINUOUS SINGLE SECTION
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.296 INCHES NOMINAL IN
OVERALL DIAMETER0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS0.0 SINGLE SECTION
PRECIOUS MATERIALGOLD
INSULATION DC RESISTANCE AT MAX OPERATING TEMP100.0 GIGOHMS
BUSHING SHAPEROUND
TERMINAL TYPE AND QUANTITY3 PRINTED CIRCUIT
INSULATION DC RESISTANCE AT 25 DEG CELSIUS1000.0 GIGOHMS
NOMINAL THREAD SIZE0.2344 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
MIL-PRF-14409/13Interchangeable
interchangeable cross-reference
interchangeable
5400Interchangeable
interchangeable cross-reference
interchangeable
R5401-002Interchangeable
interchangeable cross-reference
interchangeable
914004-11BInterchangeable
Same NIIN cross-reference
interchangeable
R5401-4613Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R5401-002?
R5401-002 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace R5401-002?
There are 5 known substitutes for R5401-002: MIL-PRF-14409/13, 5400, R5401-002 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R5401-002?
R5401-002 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-123-2080. 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