PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

643435Capacitor,fixed,paper Dielectric

L3harris Technologies, Inc. · NSN 5910-00-644-6449 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-00-644-6449 — this item is cataloged by the U.S. Government under National Stock Number 5910-00-644-6449. Primary manufacturer part number: 643435.
Features
  • Capacitor,fixed,paper Dielectric — FSC 5910
  • Body Diameter: 0.625 INCHES NOMINAL IN
  • Body Width: 0.625 INCHES NOMINAL IN
  • Schematic Diagram Designator: NO COMMON OR GROUNDED ELECTRODE(S)
  • Nonderated Continuous Voltage Rating and Type Per Section: 600.0 DC SINGLE SECTION
  • Insulation Resistance at Maximum Operating Temp: 20.0 MEGOHM-MICROFARADS
  • Nonderated Operating Temp: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
  • Body Length: 1.438 INCHES NOMINAL IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,fixed,paper Dielectric, cataloged under National Stock Number 5910-00-644-6449, 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 L3harris Technologies, Inc.. Government technical data includes 23 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5910-00-644-6449
Primary Part Number643435
Item NameCapacitor,fixed,paper Dielectric
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc.
StatusCANCELLED
Body Diameter0.625 INCHES NOMINAL IN
Body Width0.625 INCHES NOMINAL IN
Schematic Diagram DesignatorNO COMMON OR GROUNDED ELECTRODE(S)
Nonderated Continuous Voltage Rating and Type Per Section600.0 DC SINGLE SECTION
Insulation Resistance at Maximum Operating Temp20.0 MEGOHM-MICROFARADS
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
Body Length1.438 INCHES NOMINAL IN
Features ProvidedHERMETICALLY SEALED CASE
Tolerance Range Per Section-10.00 TO 10.00 PERCENT SINGLE SECTION
Terminal Diameter0.032 INCHES NOMINAL IN
Capacitance Value Per Section0.100 MICROFARADS SINGLE SECTION
Body Height0.625 INCHES NOMINAL IN
Internal Electrical Connection TypeEXTENDED FOIL
Terminal Length1.625 INCHES MINIMUM IN
Insulation Resistance at Reference Temp6000.0 MEGOHMS
Test Data Document81349-MIL-C-25 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.).
Case Insulation MaterialPLASTIC
Dissipation Factor at Reference Temp in Percent1.0000
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Specification/standard Data81349-MIL-C-25/1F GOVERNMENT SPECIFICATION
Terminal Surface TreatmentSOLDER
Reliability IndicatorNOT ESTABLISHED
Body StyleW/O MTG FACILITIES, AXIAL TERMINALS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5910-01-041-9936 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Cross-Reference Index
Part NumberManufacturer
643435 L3harris Technologies, Inc. (USA)
MILC25-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CP09A1EF104K Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5910-01-041-9936INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR

Frequently Asked Questions

What is NSN 5910-00-644-6449?

NSN 5910-00-644-6449 is a Capacitor,fixed,paper Dielectric, manufactured by L3harris Technologies, Inc., classified under FSC 5910 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5910-00-644-6449?

NSN 5910-00-644-6449 has 3 cross-referenced part numbers: 643435 (L3harris Technologies, Inc.), MILC25-1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CP09A1EF104K (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5910-00-644-6449?

There is 1 known substitute for 5910-00-644-6449: 5910-01-041-9936. Verify interchangeability with system specifications before substitution.

What are the specifications of 643435?

Key specifications for 643435: Body Diameter: 0.625 INCHES NOMINAL IN; Body Width: 0.625 INCHES NOMINAL IN; Schematic Diagram Designator: NO COMMON OR GROUNDED ELECTRODE(S); Nonderated Continuous Voltage Rating and Type Per Section: 600.0 DC SINGLE SECTION. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5910-00-644-6449 still in active supply?

NSN 5910-00-644-6449 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.
PartsTable Design LLC · partstable.com