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PartsTable / MRO / 387-423
387-423 ✓ Verified by PartsTable
Legrand · 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 material: GLASS, body_style: W/O MTG FACILITIES, TERMINAL(S) ON ONE SURFACE, body_width: 1.188 INCHES NOMINAL IN, body_height: 4.000 INCHES NOMINAL IN, body_length: 2.500 INCHES NOMINAL IN, overall_length: 75.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-953-9319, 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→ 387-423
NSN: 5120-00-953-9319
FSC: 5120
CAGE: 89305 — SIMMONDS PRECISION PRODUCTS INC (USA)
SPECIFICATIONS
materialGLASS
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE SURFACE
body_width1.188 INCHES NOMINAL IN
body_height4.000 INCHES NOMINAL IN
body_length2.500 INCHES NOMINAL IN
overall_length75.0 MILLIMETERS NOMINAL MM
special_featuresPRELABELED; STERILE
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_height_from_body0.813 INCHES NOMINAL IN
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 STANDOFF, SOLDER STUD
NSN5120-00-953-9319
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Legrand CAPACITOR,FIXED,PLASTIC DIELECTR TITLE COMPONENT PN 387-423 MFR Legrand CAPACITOR,FIXED,PLASTI
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
387423Interchangeable
interchangeable cross-reference
interchangeable
4M1Y0Interchangeable
interchangeable cross-reference
interchangeable
CKM2-40-1MInterchangeable
interchangeable cross-reference
interchangeable
6481Interchangeable
interchangeable cross-reference
interchangeable
366481Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 387-423?
387-423 is a CAPACITOR,FIXED,PLASTIC DIELECTR manufactured by Legrand. It is classified as a MRO (MRO_GENERAL).
What parts can replace 387-423?
There are 5 known substitutes for 387-423: 387423, 4M1Y0, CKM2-40-1M and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 387-423?
387-423 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-953-9319. 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