PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CV21D450Capacitor,variable,ceramic Diele

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5910-00-284-4796 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-00-284-4796 — this item is cataloged by the U.S. Government under National Stock Number 5910-00-284-4796. Primary manufacturer part number: CV21D450.
Features
  • Capacitor,variable,ceramic Diele — FSC 5910
  • Unthreaded Mounting Hole Diameter: 0.145 INCHES NOMINAL IN
  • Nonderated Operating Temp: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
  • Insulation DC Resistance at 25 Deg Celsius: 10.0 GIGOHMS
  • Body Width: 0.880 INCHES NOMINAL IN
  • Body Style: ROTARY
  • Dissipation Factor at 25 Deg Celsius in Percent: 0.2
  • Test Data Document: 81349-MIL-C-81 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
General Description

The Capacitor,variable,ceramic Diele, cataloged under National Stock Number 5910-00-284-4796, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5910-00-284-4796
Primary Part NumberCV21D450
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
Unthreaded Mounting Hole Diameter0.145 INCHES NOMINAL IN
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
Insulation DC Resistance at 25 Deg Celsius10.0 GIGOHMS
Body Width0.880 INCHES NOMINAL IN
Body StyleROTARY
Dissipation Factor at 25 Deg Celsius in Percent0.2
Test Data Document81349-MIL-C-81 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.).
Specification/standard Data81349-MIL-C-81/3 GOVERNMENT SPECIFICATION
Capacitance Change in Percent at Operating Temp From 25 Deg Celsius+1.50 TO 7.00 MINIMUM AND -5.00/-1.50 MAXIMUM ALL SECTIONS
Nonderated Voltage Rating and Type500.0 DC CONTINUOUS ALL SECTIONS
Terminal Type and Quantity4 TAB, SOLDER LUG
Adjustment Device Drive Type and Quantity2 SLOTTED SCREW
Distance Between Centerlines of Mounting Facilities Parallel to Body Width0.625 INCHES NOMINAL IN
Body Height0.406 INCHES MAXIMUM IN
Capacitance Range in Picofarads+7.0 TO 45.0 ALL SECTIONS
Body Length1.300 INCHES NOMINAL IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Capacitance Drift in Picofarads0.50 ALL SECTIONS
Inclosure TypeENCAPSULATED
Individual Section Quantity2
Adjustment Device Torque4.000 INCH-OUNCES MINIMUM AND 24.000 INCH-OUNCES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5910-00-160-6753 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
5910-00-160-6755 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
5910-00-160-6756 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
5910-00-160-6758 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
5910-00-449-3333 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
5910-00-552-1720 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
5910-00-636-4433 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
Cross-Reference Index
Part NumberManufacturer
CV21D450 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-81/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
519-001D7-0-45 Erie Specialty Products Inc (USA)
Related Parts
5910-00-160-6753INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
5910-00-160-6755INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
5910-00-160-6756INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
5910-00-160-6758INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
5910-00-449-3333INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
5910-00-552-1720INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
5910-00-636-4433INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE

Frequently Asked Questions

What is NSN 5910-00-284-4796?

NSN 5910-00-284-4796 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 5910-00-284-4796?

NSN 5910-00-284-4796 has 3 cross-referenced part numbers: CV21D450 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-81/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 519-001D7-0-45 (Erie Specialty Products Inc).

What NSN replaces 5910-00-284-4796?

There are 7 known substitutes for 5910-00-284-4796: 5910-00-160-6753, 5910-00-160-6755, 5910-00-160-6756 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CV21D450?

Key specifications for CV21D450: Unthreaded Mounting Hole Diameter: 0.145 INCHES NOMINAL IN; Nonderated Operating Temp: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC; Insulation DC Resistance at 25 Deg Celsius: 10.0 GIGOHMS; Body Width: 0.880 INCHES NOMINAL IN. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5910-00-284-4796 still in active supply?

NSN 5910-00-284-4796 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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