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Technical Data Sheet
PartsTable / MRO / 55876-1
55876-1 ✓ 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: COPPER ALLOY TERMINAL, body_style: SIDE BARRIER TYPE, overall_width: 2.688 INCHES NOMINAL IN, base_thickness: 0.448 INCHES NOMINAL IN, coating_method: PLATED CONTACT, overall_height: 1.312 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-280-4241, 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→ 55876-1
NSN: 5920-00-280-4241
FSC: 5920
CAGE: 04655 — GENERAL DYNAMICS MISSION SYSTEMS, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY TERMINAL
body_styleSIDE BARRIER TYPE
overall_width2.688 INCHES NOMINAL IN
base_thickness0.448 INCHES NOMINAL IN
coating_methodPLATED CONTACT
overall_height1.312 INCHES NOMINAL IN
overall_length2.638 INCHES NOMINAL IN
voltage_in_volts600.0
surface_treatmentNICKEL CONTACT
mounting_hole_styleIN-LINE ALONG THE LENGTH
mounting_hole_diameter0.140 INCHES NOMINAL IN
mounting_hole_quantity2
NSN5920-00-280-4241
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 55876-1 MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
MATERIAL: COPPER ALLOY 511 CONTACT
•
ACCOMMODATED FERRULE DIAMETER: 0.406 INCHES NOMINAL IN
•
BODY STYLE: SIDE BARRIER TYPE
•
BASE THICKNESS: 0.448 INCHES NOMINAL IN
•
FUSE ACCOMMODATION QUANTITY: 2
•
CENTER TO CENTER DISTANCE BETWEEN OUTSIDE MOUNTING HOLES ALONG LENGTH: 2.000 INCHES NOMINAL IN
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)
MATERIALCOPPER ALLOY 511 CONTACT
ACCOMMODATED FERRULE DIAMETER0.406 INCHES NOMINAL IN
OVERALL HEIGHT1.312 INCHES NOMINAL IN
BODY STYLESIDE BARRIER TYPE
OVERALL LENGTH2.638 INCHES NOMINAL IN
BASE THICKNESS0.448 INCHES NOMINAL IN
FUSE ACCOMMODATION QUANTITY2
CENTER TO CENTER DISTANCE BETWEEN OUTSIDE MOUNTING HOLES ALONG LENGTH2.000 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.140 INCHES NOMINAL IN
MOUNTING HOLE QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
3782Interchangeable
interchangeable cross-reference
interchangeable
12996Interchangeable
interchangeable cross-reference
interchangeable
PH271Interchangeable
interchangeable cross-reference
interchangeable
100G12Interchangeable
interchangeable cross-reference
interchangeable
03-85-0128Interchangeable
interchangeable cross-reference
interchangeable
352250014033Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55876-1?
55876-1 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace 55876-1?
There are 15 known substitutes for 55876-1: 3782, 12996, PH271 and 12 more. Substitute compatibility should be verified for your specific system.
Is 55876-1 still available?
55876-1 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