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1666 — CAPACITOR,FIXED,METALLIZED,PAPER

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

1666: CAPACITOR,FIXED,METALLIZED,PAPER.

CAPACITOR,FIXED,METALLIZED,PAPER. Key specifications include overall_length: 245.0 MILLIMETERS MM, special_features: COAXIAL CABLE USED IS POLYVINYL CHLORIDE (PVC) JACKETED, style_designator: EXTERNAL ANGLE CONNECTORS, termination_type: CONNECTOR EXTERNAL STRAIGHT BOTH ENDS SINGLE CONDUCTOR, end_item_identification: 6660-01-343-2462. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-057-8748, 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→ 1666
NSN: 5365-00-057-8748
NIINs: 000578748, 002435534, 003765200, 004450100, 004778216, 005294077, 007943373, 010738810, 013947000
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 26344 — NEW HAVEN MFG CORP (USA)
SPECIFICATIONS
overall_length245.0 MILLIMETERS MM
special_featuresCOAXIAL CABLE USED IS POLYVINYL CHLORIDE (PVC) JACKETED
style_designatorEXTERNAL ANGLE CONNECTORS
termination_typeCONNECTOR EXTERNAL STRAIGHT BOTH ENDS SINGLE CONDUCTOR
conductor_quantity1
end_item_identification6660-01-343-2462
NSN5365-00-057-8748
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Siku CAPACITOR,FIXED,METALLIZED,PAPER TITLE COMPONENT PN 1666 MFR Siku CAPACITOR,FIXED,METALL
KEY FEATURES
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 0.437 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.313 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: STEEL COMP 302
•
CONSTRUCTION: ONE-PIECE
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
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER0.437 INCHES NOMINAL IN
APERTURE DIAMETER0.313 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL COMP 302
CONSTRUCTIONONE-PIECE
SUBSTITUTES & CROSS-REFERENCES 1
01666Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1666?
1666 is a CAPACITOR,FIXED,METALLIZED,PAPER manufactured by Siku. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1666?
There is 1 known substitute for 1666: 01666. Substitute compatibility should be verified for your specific system.
What is the NSN for 1666?
1666 is cataloged in the U.S. Government catalog under NSN 5365-00-057-8748. 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.