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4003981 ✓ 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,CERAMIC DIELECTR. Key specifications include width: 3.090 INCHES NOMINAL IN, length: 3.000 INCHES NOMINAL IN, diameter: 0.312 INCHES NOMINAL ROPE IN, end_type: LOOP FIRST END, material: COPPER ALLOY OVERALL, base_style: RECESSED DOUBLE CONTACT (FLUORESCENT). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4930-00-146-2316, 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
4003981
NSN: 4930-00-146-2316
FSC: 4930
CAGE: 6N299 — AGCO CORP PARTS OPN (USA)
SPECIFICATIONS
width3.090 INCHES NOMINAL IN
length3.000 INCHES NOMINAL IN
diameter0.312 INCHES NOMINAL ROPE IN
end_typeLOOP FIRST END
materialCOPPER ALLOY OVERALL
base_styleRECESSED DOUBLE CONTACT (FLUORESCENT)
body_styleBUSHING MOUNT
body_width4.500 INCHES NOMINAL IN
bulb_styleT (TUBULAR)
body_height5.375 INCHES NOMINAL IN
body_length9.250 INCHES NOMINAL IN
thread_class3A SECOND END A
NSN4930-00-146-2316
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,CERAMIC DIELECTR TITLE COMPONENT PN 4003981 MFR CAPACITOR,FIXED,CERAMI
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
9230Interchangeable
interchangeable cross-reference
interchangeable
4310Interchangeable
interchangeable cross-reference
interchangeable
123-39Interchangeable
interchangeable cross-reference
interchangeable
254-102Interchangeable
interchangeable cross-reference
interchangeable
4335Interchangeable
interchangeable cross-reference
interchangeable
3981Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4003981?
4003981 is a CAPACITOR,FIXED,CERAMIC DIELECTR.
What parts can replace 4003981?
There are 15 known substitutes for 4003981: 9230, 4310, 123-39 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4003981?
4003981 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4930-00-146-2316. 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