PartsTable
Technical Data Sheet
PartsTable / MRO / 50J12
50J12 ✓ 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 shaft_type: ROUND, SLOTTED SINGLE SHAFT, shaft_length: 0.438 INCHES NOMINAL SINGLE SHAFT IN, inclosure_type: UNINCLOSED, overall_length: 1.750 INCHES NOMINAL IN, shaft_diameter: 0.250 INCHES NOMINAL SINGLE SHAFT IN, nominal_thread_size: 0.138 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-564-5132, 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→ 50J12
NSN: 5910-00-564-5132
FSC: 5910
CAGE: 74970 — VIKING TECHNOLOGIES, LTD. (USA)
SPECIFICATIONS
shaft_typeROUND, SLOTTED SINGLE SHAFT
shaft_length0.438 INCHES NOMINAL SINGLE SHAFT IN
inclosure_typeUNINCLOSED
overall_length1.750 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE SHAFT IN
nominal_thread_size0.138 INCHES IN
tuning_characteristicSTRAIGHT LINE CAPACITY SINGLE SECTION
adjustment_device_rotation180.0 DEGREES NOMINAL CLOCKWISE AND 180.0 DEGREES NOMINAL COUNTERCLOCKWISE
terminal_type_and_quantity2 TAB, SOLDER LUG
capacitance_range_in_picofarads+4.9 TO 52.0 SINGLE SECTION
nonderated_voltage_rating_and_type1200.0 AC PEAK SINGLE SECTION
mounting_facility_type_and_quantity2 THREADED STUD(S)
NSN5910-00-564-5132
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN 50J12 MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
CAPACITANCE RANGE IN PICOFARADS: +4.9 TO 52.0 SINGLE SECTION
•
NONDERATED VOLTAGE RATING AND TYPE: 1200.0 AC PEAK SINGLE SECTION
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
SHAFT TYPE: ROUND, SLOTTED SINGLE SHAFT
•
SHAFT LENGTH: 0.438 INCHES NOMINAL SINGLE SHAFT IN
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL SINGLE SHAFT IN
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)
CAPACITANCE RANGE IN PICOFARADS+4.9 TO 52.0 SINGLE SECTION
NONDERATED VOLTAGE RATING AND TYPE1200.0 AC PEAK SINGLE SECTION
NOMINAL THREAD SIZE0.138 INCHES IN
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SHAFT TYPEROUND, SLOTTED SINGLE SHAFT
OVERALL LENGTH1.750 INCHES NOMINAL IN
SHAFT LENGTH0.438 INCHES NOMINAL SINGLE SHAFT IN
SHAFT DIAMETER0.250 INCHES NOMINAL SINGLE SHAFT IN
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED STUD(S)
TUNING CHARACTERISTICSTRAIGHT LINE CAPACITY SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
1-574Interchangeable
interchangeable cross-reference
interchangeable
200-9002-000Interchangeable
interchangeable cross-reference
interchangeable
1-574-1Interchangeable
interchangeable cross-reference
interchangeable
SB93Interchangeable
interchangeable cross-reference
interchangeable
6530-01-C01-4898Interchangeable
interchangeable cross-reference
interchangeable
190013Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50J12?
50J12 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace 50J12?
There are 8 known substitutes for 50J12: 1-574, 200-9002-000, 1-574-1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50J12?
50J12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-564-5132. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026