PartsTable
Technical Data Sheet
PartsTable / MRO / 218451
218451 ✓ 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 material: COPPER OVERALL, body_style: TUBE TYPE, overall_length: 0.625 INCHES NOMINAL IN, outside_diameter: 1.512 INCHES NOMINAL IN, overall_diameter: 0.250 INCHES NOMINAL IN, style_designator: CIRCULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-142-7421, 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→ 218451
NSN: 5920-00-142-7421
FSC: 5920
CAGE: 30377 — SMITHS AEROSPACE, INC., ELECTRONIC SYSTEMS-GRAND RAPIDS (USA)
SPECIFICATIONS
materialCOPPER OVERALL
body_styleTUBE TYPE
overall_length0.625 INCHES NOMINAL IN
outside_diameter1.512 INCHES NOMINAL IN
overall_diameter0.250 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.262 INCHES NOMINAL IN
features_providedNONRENEWABLE FUSIBLE ELEMENT
surface_treatmentNICKEL TERMINAL
cross-sectional_thickness0.032 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR METAL
interruption_indicator_methodVISIBLE ELEMENT
NSN5920-00-142-7421
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 218451 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
OVERALL DIAMETER: 0.250 INCHES NOMINAL IN
•
CIRCUIT OVER-CURRENT INTERRUPTION TYPE: NORMAL INSTANTANEOUS
•
INTERRUPTION INDICATOR METHOD: VISIBLE ELEMENT
•
CONTINUOUS CURRENT RATING IN AMPS: 2.000
•
MATERIAL: COPPER TERMINAL
•
MAXIMUM VOLTAGE RATING IN VOLTS: 32.0 AC AND 32.0 DC
•
FEATURES PROVIDED: NONRENEWABLE FUSIBLE ELEMENT
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 LENGTH0.625 INCHES NOMINAL IN
OVERALL DIAMETER0.250 INCHES NOMINAL IN
CIRCUIT OVER-CURRENT INTERRUPTION TYPENORMAL INSTANTANEOUS
INTERRUPTION INDICATOR METHODVISIBLE ELEMENT
CONTINUOUS CURRENT RATING IN AMPS2.000
MATERIALCOPPER TERMINAL
MAXIMUM VOLTAGE RATING IN VOLTS32.0 AC AND 32.0 DC
FEATURES PROVIDEDNONRENEWABLE FUSIBLE ELEMENT
MATERIALGLASS CASE
SURFACE TREATMENTNICKEL TERMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
301002Interchangeable
interchangeable cross-reference
interchangeable
K893646SUB0PT1Interchangeable
interchangeable cross-reference
interchangeable
113116Interchangeable
interchangeable cross-reference
interchangeable
3001330Interchangeable
interchangeable cross-reference
interchangeable
2-211 N304-75Interchangeable
interchangeable cross-reference
interchangeable
MS28775-211Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 218451?
218451 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 218451?
There are 18 known substitutes for 218451: 301002, K893646SUB0PT1, 113116 and 15 more. Substitute compatibility should be verified for your specific system.
Is 218451 still available?
218451 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026