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421814 ✓ 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,PAPER DIELECTRIC. Key specifications include material: STEEL COMP 1020, thickness: 0.140 INCHES NOMINAL IN, bore_diameter: 0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN, overall_width: 0.437 INCHES NOMINAL IN, overall_length: 0.594 INCHES NOMINAL IN, style_designator: RECTANGULAR, SINGLE BOLT SECURED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-944-1375, 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
421814
NSN: 3040-00-944-1375
FSC: 3040
CAGE: 1PQF4 — CAE USA INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1020
thickness0.140 INCHES NOMINAL IN
bore_diameter0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN
overall_width0.437 INCHES NOMINAL IN
overall_length0.594 INCHES NOMINAL IN
style_designatorRECTANGULAR, SINGLE BOLT SECURED
surface_treatmentCADMIUM AND CHROMATE
nominal_thread_size0.086 INCHES IN
clamp_securing_hole_styleTHREADED
furnished_items_and_quantity1 SOCKET HEAD CAP SCREW
screw_thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
distance_from_bore_centerline_to_end0.375 INCHES NOMINAL IN
NSN3040-00-944-1375
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 421814 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
SCREW THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
DISTANCE FROM BORE CENTERLINE TO END: 0.375 INCHES NOMINAL IN
•
FURNISHED ITEMS AND QUANTITY: 1 SOCKET HEAD CAP SCREW
•
STYLE DESIGNATOR: RECTANGULAR, SINGLE BOLT SECURED
•
SURFACE TREATMENT: CADMIUM AND CHROMATE
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL COMP 1020
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)
SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
DISTANCE FROM BORE CENTERLINE TO END0.375 INCHES NOMINAL IN
FURNISHED ITEMS AND QUANTITY1 SOCKET HEAD CAP SCREW
STYLE DESIGNATORRECTANGULAR, SINGLE BOLT SECURED
SURFACE TREATMENTCADMIUM AND CHROMATE
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 1020
OVERALL WIDTH0.437 INCHES NOMINAL IN
CLAMP SECURING HOLE STYLETHREADED
THICKNESS0.140 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
2-70900-5Interchangeable
interchangeable cross-reference
interchangeable
C115Interchangeable
interchangeable cross-reference
interchangeable
C-120Interchangeable
interchangeable cross-reference
interchangeable
PPP-C-795 CL1Interchangeable
interchangeable cross-reference
interchangeable
1093Interchangeable
interchangeable cross-reference
interchangeable
201Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 421814?
421814 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace 421814?
There are 24 known substitutes for 421814: 2-70900-5, C115, C-120 and 21 more. Substitute compatibility should be verified for your specific system.
Is 421814 still available?
421814 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