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31-3250-1 — CAPACITOR,VARIABLE,AIR DIELECTRI

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

31-3250-1: CAPACITOR,VARIABLE,AIR DIELECTRI.

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, hole_diameter: 0.228 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 1.090 INCHES NOMINAL IN, special_features: ONE .228X.296 INCH ELONGATED BOLT HOLE IN, style_designator: CIRCULAR, aperture_diameter: 0.136 INCHES NOMINAL IN. 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→ 31-3250-1
NSN: 5920-00-504-8634
NIINs: 005048634, 011679420
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
CAGE: 75915 — LITTELFUSE, INC. (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
hole_diameter0.228 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter1.090 INCHES NOMINAL IN
special_featuresONE .228X.296 INCH ELONGATED BOLT HOLE IN
style_designatorCIRCULAR
aperture_diameter0.136 INCHES NOMINAL IN
bolt_hole_quantity5
bolt_circle_diameter0.620 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classification(90056)SR5520A FAIRPRENE MFR REF SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyGASKET-CONTACT HOUSING,RECOGNITION AIRCRAFT STROBE LIGHT
NSN5920-00-504-8634
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 31-3250-1 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 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 31-3250-1?
31-3250-1 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace 31-3250-1?
There are 10 known substitutes for 31-3250-1: 15101, 313-250, BFB11 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31-3250-1?
31-3250-1 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.