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51-10390 — CAPACITOR,VARIABLE,AIR DIELECTRI

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

51-10390: CAPACITOR,VARIABLE,AIR DIELECTRI.

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include gasket: NOT INCLUDED, material: STEEL CORROSION RESISTING OVERALL, duty_type: CONTINUOUS, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, bore_shape: STRAIGHT, body_length: 2.031 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3455-00-250-0770, 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
51-10390
NSN: 3455-00-250-0770
FSC: 3455 — Cutting Tools for Machine Tools
CAGE: 71485 — UNION BUTTERFIELD CORP P O BOX 9000 CRYSTAL LAKE IL 60039 (USA)
SPECIFICATIONS
gasketNOT INCLUDED
materialSTEEL CORROSION RESISTING OVERALL
duty_typeCONTINUOUS
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
bore_shapeSTRAIGHT
body_length2.031 INCHES NOMINAL IN
bulb_length12.000 INCHES NOMINAL IN
design_typeNONREUSABLE
mica_shieldNOT PROVIDED
thread_class2B SINGLE MOUNTING FACILITY
body_diameter2.500 INCHES NOMINAL IN
bore_diameter16.00 MILLIMETERS NOMINAL MM
NSN3455-00-250-0770
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 51-10390 MFR 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 9
23060Reference document
Same NSN cross-reference
Reference document — Secondary reference
504C-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
ER4-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
43111Reference document
Same NSN cross-reference
Reference document — Secondary reference
55580Reference document
Same NSN cross-reference
Reference document — Secondary reference
16074Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51-10390?
51-10390 is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace 51-10390?
There are 9 known substitutes for 51-10390: 23060, 504C-4, ER4-1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51-10390?
51-10390 is cataloged in the U.S. Government catalog under NSN 3455-00-250-0770. 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.