PartsTable
Technical Data Sheet
448878 ✓ 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: METAL ENCLOSURE, body_style: PLATE-MESHING, shaft_type: ROUND SINGLE SHAFT, body_length: 4.193 INCHES NOMINAL IN, shaft_length: 0.375 INCHES NOMINAL SINGLE SHAFT IN, thread_class: 2B. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-930-3873, 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 448878
NSN: 5910-00-930-3873
FSC: 5910
CAGE: 64147 — KEYSTONE GENERAL INC (USA)
SPECIFICATIONS
materialMETAL ENCLOSURE
body_stylePLATE-MESHING
shaft_typeROUND SINGLE SHAFT
body_length4.193 INCHES NOMINAL IN
shaft_length0.375 INCHES NOMINAL SINGLE SHAFT IN
thread_class2B
overall_width1.340 INCHES NOMINAL IN
inclosure_typeUNINCLOSED
overall_height1.375 INCHES NOMINAL IN
overall_length4.763 INCHES NOMINAL IN
shaft_diameter0.187 INCHES NOMINAL SINGLE SHAFT IN
terminal_length0.368 INCHES NOMINAL IN
NSN5910-00-930-3873
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 448878 MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
NONDERATED VOLTAGE RATING AND TYPE: 500.0 DC CONTINUOUS ALL SECTIONS
PRECIOUS MATERIAL AND LOCATION: PIN SURFACES GOLD AND ALL BODY AND TERMINAL SURFACES SILVER
TERMINAL DIAMETER: 0.039 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
CAPACITANCE RANGE IN PICOFARADS: +7.0 TO 25.1 FIRST SECTION
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
PRECIOUS MATERIAL: GOLD AND SILVER
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY: 1 SHAFT
ADJUSTMENT DEVICE TORQUE: 1.500 INCH-OUNCES MINIMUM AND 5.000 INCH-OUNCES MAXIMUM 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)
NONDERATED VOLTAGE RATING AND TYPE500.0 DC CONTINUOUS ALL SECTIONS
PRECIOUS MATERIAL AND LOCATIONPIN SURFACES GOLD AND ALL BODY AND TERMINAL SURFACES SILVER
TERMINAL DIAMETER0.039 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
CAPACITANCE RANGE IN PICOFARADS+7.0 TO 25.1 FIRST SECTION
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
PRECIOUS MATERIALGOLD AND SILVER
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY1 SHAFT
ADJUSTMENT DEVICE TORQUE1.500 INCH-OUNCES MINIMUM AND 5.000 INCH-OUNCES MAXIMUM IN
ADJUSTMENT DEVICE ROTATION171.0 DEGREES NOMINAL COUNTERCLOCKWISE
TERMINAL LENGTH0.368 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
77-556AInterchangeable
interchangeable cross-reference
interchangeable
556AInterchangeable
interchangeable cross-reference
interchangeable
077-55600Interchangeable
interchangeable cross-reference
interchangeable
3789MILG3278AInterchangeable
interchangeable cross-reference
interchangeable
789ANG25Interchangeable
interchangeable cross-reference
interchangeable
3789Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 448878?
448878 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace 448878?
There are 21 known substitutes for 448878: 77-556A, 556A, 077-55600 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 448878?
448878 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-930-3873. This indicates validated use in U.S. government and defense supply chains.
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