PartsTable
Technical Data Sheet
PartsTable / MRO / 49900-00
49900-00 ✓ 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 CAPACITIVE ELECTRODE, shaft_type: ROUND, SLOTTED SINGLE SHAFT, body_length: 2.406 INCHES NOMINAL IN, shaft_length: 0.250 INCHES NOMINAL SINGLE SHAFT IN, overall_width: 2.188 INCHES NOMINAL IN, inclosure_type: UNINCLOSED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-669-4441, 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→ 49900-00
NSN: 5910-00-669-4441
FSC: 5910
CAGE: 12436 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DIV BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY CAPACITIVE ELECTRODE
shaft_typeROUND, SLOTTED SINGLE SHAFT
body_length2.406 INCHES NOMINAL IN
shaft_length0.250 INCHES NOMINAL SINGLE SHAFT IN
overall_width2.188 INCHES NOMINAL IN
inclosure_typeUNINCLOSED
overall_height2.938 INCHES NOMINAL IN
overall_length2.875 INCHES NOMINAL IN
plate_quantity23
nominal_thread_size0.112 INCHES IN
tuning_characteristicSTRAIGHT LINE CAPACITY SINGLE SECTION
end_item_identification6640-01-491-9330
NSN5910-00-669-4441
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 49900-00 MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
CAPACITANCE RANGE IN PICOFARADS: +22.4 TO 167.8 SINGLE SECTION
•
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH: 1.562 INCHES NOMINAL IN
•
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: CERAMIC INSULATION SUPPORTING
•
SHAFT TYPE: ROUND, SLOTTED SINGLE SHAFT
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)
CAPACITANCE RANGE IN PICOFARADS+22.4 TO 167.8 SINGLE SECTION
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH1.562 INCHES NOMINAL IN
OVERALL HEIGHT2.938 INCHES NOMINAL IN
OVERALL WIDTH2.188 INCHES NOMINAL IN
OVERALL LENGTH2.875 INCHES NOMINAL IN
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALCERAMIC INSULATION SUPPORTING
SHAFT TYPEROUND, SLOTTED SINGLE SHAFT
TERMINAL TYPE AND QUANTITY2 TAB, SOLDER LUG
BODY LENGTH2.406 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
X3250-17Interchangeable
interchangeable cross-reference
interchangeable
4990Interchangeable
interchangeable cross-reference
interchangeable
26437Interchangeable
interchangeable cross-reference
interchangeable
83977Interchangeable
interchangeable cross-reference
interchangeable
MS15612-4Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 49900-00?
49900-00 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace 49900-00?
There are 9 known substitutes for 49900-00: X3250-17, 4990, 26437 and 6 more. Substitute compatibility should be verified for your specific system.
Is 49900-00 still available?
49900-00 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026