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Technical Data Sheet
PartsTable / MRO / 251108
251108 ✓ 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,FIXED,CERAMIC DIELECTR. Key specifications include material: STEEL OVERALL, bore_diameter: 1.0000 INCHES NOMINAL IN, overall_width: 1.0000 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, special_features: OIL HOLE IN OUTER RING,PRESSED RETAINER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2840-00-303-9326, 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→ 251108
NSN: 2840-00-303-9326
FSC: 2840
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.0000 INCHES NOMINAL IN
overall_width1.0000 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
special_featuresOIL HOLE IN OUTER RING,PRESSED RETAINER
style_designatorNON-SEPARABLE, WITH ROLLER RETAINER, OPEN END, DRAWN SHELL
end_item_identificationJ-57 AIRCRAFT ENGINE
engine_section_locationTURBINE
overall_outside_diameter1.3125 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN2840-00-303-9326
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,CERAMIC DIELECTR TITLE COMPONENT PN 251108 MFR CAPACITOR,FIXED,CERAMI
KEY FEATURES
•
ENGINE SECTION LOCATION: TURBINE
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)
END ITEM IDENTIFICATIONJ-57 AIRCRAFT ENGINE
PART NAME ASSIGNED BY CONTROLLING AGENCYVANE ASSEMBLY,STATOR,TURBINE ENGINE
ENGINE SECTION LOCATIONTURBINE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
21805Interchangeable
interchangeable cross-reference
interchangeable
F51079Interchangeable
interchangeable cross-reference
interchangeable
251108Interchangeable
interchangeable cross-reference
interchangeable
1001927Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 251108?
251108 is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 251108?
There are 4 known substitutes for 251108: 21805, F51079, 251108 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 251108?
251108 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2840-00-303-9326. 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