PartsTable
Technical Data Sheet
PartsTable / MRO / EF12
EF12 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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,VARIABLE,AIR DIELECTRI. Key specifications include material: PLASTIC POLYVINYL CHLORIDE (PVC) OUTER COVERING, body_style: PISTON, trade_size: 0.500, body_length: 0.484 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, overall_length: 0.609 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5975-00-983-5239, 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→ EF12
NSN: 5975-00-983-5239
FSC: 5975
CAGE: 70510 — HYSPAN PRECISION PRODUCTS, INC. (USA)
SPECIFICATIONS
materialPLASTIC POLYVINYL CHLORIDE (PVC) OUTER COVERING
body_stylePISTON
trade_size0.500
body_length0.484 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
overall_length0.609 INCHES NOMINAL IN
inside_diameter0.500 INCHES NOMINAL IN
terminal_length0.125 INCHES NOMINAL IN
outside_diameter0.830 INCHES NOMINAL IN
overall_diameter0.297 INCHES NOMINAL IN
special_featuresBLUE BODY OR RING
style_designatorPLAIN CONVOLUTED CONDUIT
NSN5975-00-983-5239
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN EF12 MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
OUTSIDE DIAMETER: 0.830 INCHES NOMINAL IN
•
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION: WATERTIGHT
•
MINIMUM INSIDE BENDING RADIUS: 2.500 INCHES IN
•
FEATURES PROVIDED: OUTER COVERING
•
TRADE SIZE: 0.500
•
STYLE DESIGNATOR: PLAIN CONVOLUTED CONDUIT
•
MATERIAL: PLASTIC POLYVINYL CHLORIDE (PVC) OUTER COVERING
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 (FLIS)
OUTSIDE DIAMETER0.830 INCHES NOMINAL IN
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTIONWATERTIGHT
MINIMUM INSIDE BENDING RADIUS2.500 INCHES IN
FEATURES PROVIDEDOUTER COVERING
TRADE SIZE0.500
STYLE DESIGNATORPLAIN CONVOLUTED CONDUIT
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) OUTER COVERING
MATERIALSTEEL BODY
SURFACE TREATMENTZINC BODY
INSIDE DIAMETER0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
80111-00Interchangeable
interchangeable cross-reference
interchangeable
80111Interchangeable
interchangeable cross-reference
interchangeable
L1206Interchangeable
interchangeable cross-reference
interchangeable
206MInterchangeable
interchangeable cross-reference
interchangeable
B6935Interchangeable
interchangeable cross-reference
interchangeable
X1-10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EF12?
EF12 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace EF12?
There are 31 known substitutes for EF12: 80111-00, 80111, L1206 and 28 more. Substitute compatibility should be verified for your specific system.
Is EF12 still available?
EF12 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026