PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

331-051-U2K0-209CCapacitor,fixed,ceramic Dielectr

Tusonix, Llc · NSN 5910-00-581-9803 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-00-581-9803 — this item is cataloged by the U.S. Government under National Stock Number 5910-00-581-9803. Primary manufacturer part number: 331-051-U2K0-209C.
Features
  • Capacitor,fixed,ceramic Dielectr — FSC 5910
  • Body Style: W/O MTG FACILITIES, RADIAL TERMINALS
  • Schematic Diagram Designator: NO COMMON OR GROUNDED ELECTRODE(S)
  • Insulation Resistance at Maximum Operating Temp: 1000.0 MEGOHMS
  • Tolerance Range Per Section: -0.25 TO 0.25 PICOFARADS SINGLE SECTION
  • Nonderated Operating Temp: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
  • Nonderated Continuous Voltage Rating and Type Per Section: 500.0 DC SINGLE SECTION
  • Test Data Document: 81349-MIL-C-20 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Ceramic Case construction
General Description

The Capacitor,fixed,ceramic Dielectr, cataloged under National Stock Number 5910-00-581-9803, 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 Tusonix, Llc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5910-00-581-9803
Primary Part Number331-051-U2K0-209C
Item NameCapacitor,fixed,ceramic Dielectr
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerTusonix, Llc
StatusCANCELLED
Body StyleW/O MTG FACILITIES, RADIAL TERMINALS
Schematic Diagram DesignatorNO COMMON OR GROUNDED ELECTRODE(S)
Insulation Resistance at Maximum Operating Temp1000.0 MEGOHMS
Tolerance Range Per Section-0.25 TO 0.25 PICOFARADS SINGLE SECTION
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
Nonderated Continuous Voltage Rating and Type Per Section500.0 DC SINGLE SECTION
Test Data Document81349-MIL-C-20 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Body Diameter0.225 INCHES NOMINAL IN
Tolerance of Temp Coefficient Per Section in Ppm Per Deg Celsius-250.0 TO 250.0 SINGLE SECTION
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Body Length0.430 INCHES NOMINAL IN
Terminal Height From Body1.312 INCHES MINIMUM IN
Temp Coefficient of Capacitance Per Section in Ppm Per Deg Celsius-750.0 SINGLE SECTION
Capacitance Value Per Section2.000 PICOFARADS SINGLE SECTION
Specification/standard Data81349-MIL-C-20/3 GOVERNMENT SPECIFICATION
Quality Factor at Reference Temp430.0000
MaterialCERAMIC CASE
Insulation Resistance at Reference Temp50000.0 MEGOHMS
Terminal Surface TreatmentSOLDER
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
9905-00-036-094111936 INTERCHANGEABLE
Plate,instruction
Schneider Electric Systems Usa Inc
3110-00-158-5894 INTERCHANGEABLE
Bearing,ball,annular
5110-00-234-6552 INTERCHANGEABLE
File,hand
5965-00-445-13815429-2 INTERCHANGEABLE
Holder,microphone
Telephonics Corp
5935-00-501-5549118-3-15 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Kearfott Corporation Div Guidance and Navigation Division
5910-00-583-4138 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
5910-00-636-2488 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
5306-00-722-6131 INTERCHANGEABLE
Bolt,machine
2805-01-104-046411-936 INTERCHANGEABLE
Piston,pin
Thermo King Corporation Dba Phoenix Global Distirbution.
4730-01-122-217211936 INTERCHANGEABLE
Connector,multiple,fluid Pressur
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
331-051-U2K0-209C Tusonix, Llc (USA)
CC20UK020C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
301N750-020C Erie Specialty Products Inc (USA)
301-000U2K0-020C Tusonix, Llc (USA)
11936 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
301N750-020C Tusonix, Llc (USA)
AN750A Erie Specialty Products Inc (USA)
928-0002-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
MILC20 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CC21UK020C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
301-000U2K0-209C Erie Specialty Products Inc (USA)
CC22UK2R0C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
928-0002-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
MIL-C-20/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
82331026U2J0209C Vulcan Iron Works Inc (USA)
301-000U2K0-209C Tusonix, Llc (USA)
331-051U2K0-209C Erie Specialty Products Inc (USA)
928-0002-000 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
301-000U2K0-020C Erie Specialty Products Inc (USA)
CC22UK020C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
9905-00-036-0941INTERCHANGEABLE
PLATE,INSTRUCTION
11936
3110-00-158-5894INTERCHANGEABLE
BEARING,BALL,ANNULAR
5110-00-234-6552INTERCHANGEABLE
FILE,HAND
5965-00-445-1381INTERCHANGEABLE
HOLDER,MICROPHONE
5429-2
5935-00-501-5549INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
118-3-15
5910-00-583-4138INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
5910-00-636-2488INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
5306-00-722-6131INTERCHANGEABLE
BOLT,MACHINE
2805-01-104-0464INTERCHANGEABLE
PISTON,PIN
11-936
4730-01-122-2172INTERCHANGEABLE
CONNECTOR,MULTIPLE,FLUID PRESSUR
11936
4940-01-170-7085INTERCHANGEABLE
GUN ASSEMBLY,SAND BLAST
11936
2520-01-181-5798INTERCHANGEABLE
PARTS KIT,HYDRAULIC TRANSMISSION
GE1004

Frequently Asked Questions

What is NSN 5910-00-581-9803?

NSN 5910-00-581-9803 is a Capacitor,fixed,ceramic Dielectr, manufactured by Tusonix, Llc, classified under FSC 5910 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5910-00-581-9803?

NSN 5910-00-581-9803 has 21 cross-referenced part numbers: 331-051-U2K0-209C (Tusonix, Llc), CC20UK020C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 301N750-020C (Erie Specialty Products Inc), 301-000U2K0-020C (Tusonix, Llc), 11936 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp) and 16 more.

What NSN replaces 5910-00-581-9803?

There are 12 known substitutes for 5910-00-581-9803: 9905-00-036-0941, 3110-00-158-5894, 5110-00-234-6552 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 331-051-U2K0-209C?

Key specifications for 331-051-U2K0-209C: Body Style: W/O MTG FACILITIES, RADIAL TERMINALS; Schematic Diagram Designator: NO COMMON OR GROUNDED ELECTRODE(S); Insulation Resistance at Maximum Operating Temp: 1000.0 MEGOHMS; Tolerance Range Per Section: -0.25 TO 0.25 PICOFARADS SINGLE SECTION. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5910-00-581-9803 still in active supply?

NSN 5910-00-581-9803 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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