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407978 — CAPACITOR,VARIABLE,AIR DIELECTRI

✓ Government record, cited
Ricoh · MRO · MRO_GENERAL
PRODUCT OVERVIEW

407978: CAPACITOR,VARIABLE,AIR DIELECTRI.

Our range of industry-leading hardware and software products has been designed to enhance every environment. Whether you’re looking for a professional productivity tool for commercial and office use, or a superior piece of hardware for your home, our easy to use, eco-friendly products bring you the best in Ricoh’s technology innovation. This part is cataloged in the U.S.

Government catalog under NSN 5920-00-504-8634, 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→ 407978
NSN: 5920-00-504-8634
NIINs: 005048634, 012687002, 015960376
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
CAGE: 59287 — PARAMETER GENERATION AND CONTROL, INCORPORATED DBA PGC (USA)
SPECIFICATIONS
special_featuresEND ITEM: KETTLE STEAM,ITEM IS A WIRE BRUSH CLEANING KIT
NSN5920-00-504-8634
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Ricoh CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 407978 MFR Ricoh CAPACITOR,VARIABLE,AIR
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
SUBSTITUTES & CROSS-REFERENCES 10
15101Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
313-250Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
BFB11Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
F219Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2110-0101Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2110-0210Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 407978?
407978 is a CAPACITOR,VARIABLE,AIR DIELECTRI manufactured by Ricoh. It is classified as a MRO (MRO_GENERAL).
What parts can replace 407978?
There are 10 known substitutes for 407978: 15101, 313-250, BFB11 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 407978?
407978 is cataloged in the U.S. Government catalog under NSN 5920-00-504-8634. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.