PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EF12Capacitor,variable,air Dielectri

Voltronics Corp · NSN 5910-01-305-7234 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-01-305-7234 — this item is cataloged by the U.S. Government under National Stock Number 5910-01-305-7234. Primary manufacturer part number: EF12.
Features
  • Capacitor,variable,air Dielectri — FSC 5910
  • Overall Diameter: 0.297 INCHES NOMINAL IN
  • Quality Factor at 25 Deg Celsius: 1000.0
  • Nonderated Operating Temp: -65.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
  • Tolerance of Temp Coefficient in Ppm Per Deg Celsius: -50.0 TO 50.0 SINGLE SECTION
  • Body Length: 0.484 INCHES NOMINAL IN
  • Terminal Type and Quantity: 2 PRINTED CIRCUIT
  • Inclosure Type: HERMETICALLY SEALED
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-01-305-7234, is classified within Federal Supply Class 5910 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Voltronics Corp. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5910-01-305-7234
Primary Part NumberEF12
Item NameCapacitor,variable,air Dielectri
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerVoltronics Corp
StatusACTIVE
Overall Diameter0.297 INCHES NOMINAL IN
Quality Factor at 25 Deg Celsius1000.0
Nonderated Operating Temp-65.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
Tolerance of Temp Coefficient in Ppm Per Deg Celsius-50.0 TO 50.0 SINGLE SECTION
Body Length0.484 INCHES NOMINAL IN
Terminal Type and Quantity2 PRINTED CIRCUIT
Inclosure TypeHERMETICALLY SEALED
Insulation DC Resistance at 25 Deg Celsius10000.0 MEGOHMS
Body StylePISTON
Adjustment Device Torque0.500 INCH-OUNCES MINIMUM AND 5.000 INCH-OUNCES MAXIMUM IN
Adjustment Device Drive Type and Quantity1 SLOTTED SCREW
Mounting Facility Type and Quantity2 TERMINAL
Nonderated Voltage Rating and Type125.0 DC CONTINUOUS SINGLE SECTION
Capacitance Range in Picofarads+0.6 TO 12.0 SINGLE SECTION
Center to Center Distance Between Terminals Parallel to Diameter0.220 INCHES NOMINAL IN
Tuning CharacteristicSTRAIGHT LINE CAPACITY SINGLE SECTION
Temp Coefficient of Capacitance in Ppm Per Deg Celsius50.0 SINGLE SECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5975-00-983-523980111 INTERCHANGEABLE
Conduit,metal,flexible
Electri-Flex Co
5910-01-200-1112CV00-01012 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Giga-Tronics Incorporated Dba Giga-Tronics
Cross-Reference Index
Part NumberManufacturer
EF12 Voltronics Corp (USA)
Related Parts
5975-00-983-5239INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
80111
5910-01-200-1112INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
CV00-01012

Frequently Asked Questions

What is NSN 5910-01-305-7234?

NSN 5910-01-305-7234 is a Capacitor,variable,air Dielectri, manufactured by Voltronics Corp, classified under FSC 5910 (No Item Name Available). Status: active.

What are the part numbers for NSN 5910-01-305-7234?

NSN 5910-01-305-7234 has 1 cross-referenced part number: EF12 (Voltronics Corp).

What NSN replaces 5910-01-305-7234?

There are 2 known substitutes for 5910-01-305-7234: 5975-00-983-5239, 5910-01-200-1112. Verify interchangeability with system specifications before substitution.

What are the specifications of EF12?

Key specifications for EF12: Overall Diameter: 0.297 INCHES NOMINAL IN; Quality Factor at 25 Deg Celsius: 1000.0; Nonderated Operating Temp: -65.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC; Tolerance of Temp Coefficient in Ppm Per Deg Celsius: -50.0 TO 50.0 SINGLE SECTION. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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