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PartsTable / COMPONENT / HM20379A
HM20379A ✓ Verified by PartsTable
— · COMPONENT
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,METALLIZED,PAPER. Key specifications include material: IRON OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.0930 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN, surface_treatment: LEAD OVERALL, radial_wall_thickness: 0.2020 INCHES MINIMUM AND 0.2120 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-278-1910, 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
HM20379A
NSN: 2805-00-278-1910
FSC: 2805
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialIRON OVERALL
ring_styleCONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.0930 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN
surface_treatmentLEAD OVERALL
radial_wall_thickness0.2020 INCHES MINIMUM AND 0.2120 INCHES MAXIMUM IN
standard_bore_diameter4.250 INCHES IN
cross-sectional_shape_styleINSIDE COUNTERBORE, TWO FILLED GROOVES, STRAIGHT FACE SCRAPER
NSN2805-00-278-1910
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,METALLIZED,PAPER TITLE COMPONENT PN HM20379A MFR CAPACITOR,FIXED,METALL
KEY FEATURES
•
RING STYLE: CONCENTRIC
•
RADIAL WALL THICKNESS: 0.2020 INCHES MINIMUM AND 0.2120 INCHES MAXIMUM IN
•
MATERIAL: IRON OVERALL
•
STANDARD BORE DIAMETER: 4.250 INCHES IN
•
SURFACE TREATMENT: LEAD OVERALL
•
JOINT STYLE: VERTICAL JOINT
•
CROSS-SECTIONAL SHAPE STYLE: INSIDE COUNTERBORE, TWO FILLED GROOVES, STRAIGHT FACE SCRAPER
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)
RING STYLECONCENTRIC
RADIAL WALL THICKNESS0.2020 INCHES MINIMUM AND 0.2120 INCHES MAXIMUM IN
MATERIALIRON OVERALL
STANDARD BORE DIAMETER4.250 INCHES IN
OVERALL WIDTH0.0930 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN
SURFACE TREATMENTLEAD OVERALL
JOINT STYLEVERTICAL JOINT
CROSS-SECTIONAL SHAPE STYLEINSIDE COUNTERBORE, TWO FILLED GROOVES, STRAIGHT FACE SCRAPER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
32055Interchangeable
interchangeable cross-reference
interchangeable
A690Interchangeable
interchangeable cross-reference
interchangeable
XS2058SInterchangeable
interchangeable cross-reference
interchangeable
8902749-29Interchangeable
interchangeable cross-reference
interchangeable
S4B-6Interchangeable
interchangeable cross-reference
interchangeable
105K02MF1245L1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HM20379A?
HM20379A is a CAPACITOR,FIXED,METALLIZED,PAPER.
What parts can replace HM20379A?
There are 10 known substitutes for HM20379A: 32055, A690, XS2058S and 7 more. Substitute compatibility should be verified for your specific system.
Is HM20379A still available?
HM20379A 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