PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PC21J4R5Capacitor,variable,ceramic Diele

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5910-01-198-2537 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-01-198-2537 — this item is cataloged by the U.S. Government under National Stock Number 5910-01-198-2537. Primary manufacturer part number: PC21J4R5.
Features
  • Capacitor,variable,ceramic Diele — FSC 5910
  • Terminal Thickness: 0.008 INCHES NOMINAL IN
  • Body Style: PISTON
  • Specification/standard Data: 81349-MIL-C-14409/16 GOVERNMENT SPECIFICATION
  • Tolerance of Temp Coefficient in Ppm Per Deg Celsius: -50.0 TO 50.0 SINGLE SECTION
  • Nonderated Operating Temp: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
  • Quality Factor at 25 Deg Celsius: 3000.0
  • Inclosure Type: ENCASED
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,variable,ceramic Diele, cataloged under National Stock Number 5910-01-198-2537, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 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
NSN5910-01-198-2537
Primary Part NumberPC21J4R5
Item NameCapacitor,variable,ceramic Diele
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Terminal Thickness0.008 INCHES NOMINAL IN
Body StylePISTON
Specification/standard Data81349-MIL-C-14409/16 GOVERNMENT SPECIFICATION
Tolerance of Temp Coefficient in Ppm Per Deg Celsius-50.0 TO 50.0 SINGLE SECTION
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
Quality Factor at 25 Deg Celsius3000.0
Inclosure TypeENCASED
Temp Coefficient of Capacitance in Ppm Per Deg Celsius0.0 SINGLE SECTION
Mounting Facility Type and Quantity2 TERMINAL
Capacitance Range in Picofarads+0.6 TO 4.5 SINGLE SECTION
Test Data Document81349-MIL-C-14409 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.).
Terminal Type and Quantity2 PRINTED CIRCUIT
Nonderated Voltage Rating and Type500.0 DC CONTINUOUS SINGLE SECTION
Insulation DC Resistance at Max Operating Temp100.0 GIGOHMS
Center to Center Distance Between Terminals Parallel to Length0.130 INCHES NOMINAL IN
Insulation DC Resistance at 25 Deg Celsius1000.0 GIGOHMS
Adjustment Device Drive Type and Quantity1 SLOTTED SCREW
Overall Diameter0.140 INCHES NOMINAL IN
Terminal Length0.100 INCHES NOMINAL IN
Adjustment Device Torque0.200 INCH-OUNCES MINIMUM AND 2.000 INCH-OUNCES MAXIMUM IN
Body Length0.168 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5960-00-069-4762 INTERCHANGEABLE
Electron Tube
6920-00-107-1742 INTERCHANGEABLE
Housing,transmissio
5905-00-108-6418 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5905-00-108-6440 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5905-00-108-6444 INTERCHANGEABLE
Resistor,variable,wire Wound,non
6520-00-139-1246 INTERCHANGEABLE
Compressor-Dehydrator,dental Equ
5136-00-197-95725136-00-197-9572 INTERCHANGEABLE
Die,rethreading
General Services Administration Federal Supply Service
2010-00-213-04953373697 INTERCHANGEABLE
Bearing,cap and Ped
Hatch & Kirk, Inc.
5930-00-242-65307271 INTERCHANGEABLE
Diaphragm,pressure Switch
Imi Norgren Sales Ltd
5905-00-284-342358-25KOHMPORM10PCTSTAPER INTERCHANGEABLE
Resistor,variable,wire Wound,non
Clarostat Sensors and Controls
Cross-Reference Index
Part NumberManufacturer
PC21J4R5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
7271 Knowles Cazenovia, Inc. Div Johanson Manufacturing (USA)
P58 Voltronics Corp (USA)
6010346-001 Knowles Cazenovia, Inc. Div Johanson Manufacturing (USA)
27271 Knowles Cazenovia, Inc. Div Johanson Manufacturing (USA)
MIL-PRF-14409/16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
C32045E5010T2 Indra Sistemas, Sociedad Anonima (ESP)
PC21L4R5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-14409/16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
8815300006-1 Navcom Defense Electronics, Inc. (USA)
M5B Voltronics Corp (USA)
Related Parts
5960-00-069-4762INTERCHANGEABLE
ELECTRON TUBE
6920-00-107-1742INTERCHANGEABLE
HOUSING,TRANSMISSIO
5905-00-108-6418INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5905-00-108-6440INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5905-00-108-6444INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
6520-00-139-1246INTERCHANGEABLE
COMPRESSOR-DEHYDRATOR,DENTAL EQU
5136-00-197-9572INTERCHANGEABLE
DIE,RETHREADING
5136-00-197-9572
2010-00-213-0495INTERCHANGEABLE
BEARING,CAP AND PED
3373697
5930-00-242-6530INTERCHANGEABLE
DIAPHRAGM,PRESSURE SWITCH
7271
5905-00-284-3423INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
58-25KOHMPORM10PCTSTAPER
5330-00-367-5329INTERCHANGEABLE
SEAL,PLAIN ENCASED
27271
4310-00-450-9346INTERCHANGEABLE
BUMPER,DISCHARGE VA
7271

Frequently Asked Questions

What is NSN 5910-01-198-2537?

NSN 5910-01-198-2537 is a Capacitor,variable,ceramic Diele, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5910 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5910-01-198-2537?

NSN 5910-01-198-2537 has 11 cross-referenced part numbers: PC21J4R5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 7271 (Knowles Cazenovia, Inc. Div Johanson Manufacturing), P58 (Voltronics Corp), 6010346-001 (Knowles Cazenovia, Inc. Div Johanson Manufacturing), 27271 (Knowles Cazenovia, Inc. Div Johanson Manufacturing) and 6 more.

What NSN replaces 5910-01-198-2537?

There are 12 known substitutes for 5910-01-198-2537: 5960-00-069-4762, 6920-00-107-1742, 5905-00-108-6418 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PC21J4R5?

Key specifications for PC21J4R5: Terminal Thickness: 0.008 INCHES NOMINAL IN; Body Style: PISTON; Specification/standard Data: 81349-MIL-C-14409/16 GOVERNMENT SPECIFICATION; Tolerance of Temp Coefficient in Ppm Per Deg Celsius: -50.0 TO 50.0 SINGLE SECTION. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5910-01-198-2537 still in active supply?

NSN 5910-01-198-2537 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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