PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-C-83421Capacitor,fixed,metallized,paper

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5910-01-111-1091 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-01-111-1091 — this item is cataloged by the U.S. Government under National Stock Number 5910-01-111-1091. Primary manufacturer part number: MIL-C-83421.
Features
  • Capacitor,fixed,metallized,paper — FSC 5910
  • Terminal Length: 1.625 INCHES MINIMUM IN
  • Nonderated Operating Temp: -65.0 CELSIUS MINIMUM AND 100.0 CELSIUS MAXIMUM DEGC
  • Schematic Diagram Designator: NO COMMON OR GROUNDED ELECTRODE(S)
  • Case Insulation Material: PLASTIC
  • Test Data Document: 81349-MIL-C-83421 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.).
  • Dissipation Factor at Reference Temp in Percent: 0.1500
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,fixed,metallized,paper, cataloged under National Stock Number 5910-01-111-1091, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5910-01-111-1091
Primary Part NumberMIL-C-83421
Item NameCapacitor,fixed,metallized,paper
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Terminal Length1.625 INCHES MINIMUM IN
Nonderated Operating Temp-65.0 CELSIUS MINIMUM AND 100.0 CELSIUS MAXIMUM DEGC
Schematic Diagram DesignatorNO COMMON OR GROUNDED ELECTRODE(S)
Case Insulation MaterialPLASTIC
Test Data Document81349-MIL-C-83421 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.).
Dissipation Factor at Reference Temp in Percent0.1500
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Insulation Resistance at Reference Temp3000000.0 MEGOHMS
Terminal Diameter0.032 INCHES NOMINAL IN
Reliability IndicatorESTABLISHED
Body StyleW/O MTG FACILITIES, AXIAL TERMINALS
Features ProvidedHERMETICALLY SEALED CASE
Reliability Failure Rate Level in Percent1.0000
Tolerance Range Per Section-10.00 TO 10.00 PERCENT SINGLE SECTION
Body Diameter0.400 INCHES NOMINAL IN
Body Length1.063 INCHES NOMINAL IN
Nonderated Continuous Voltage Rating and Type Per Section400.0 DC SINGLE SECTION
Capacitance Value Per Section0.100 MICROFARADS SINGLE SECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5910-01-132-8542 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
5910-01-196-9386 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
5910-01-197-2564 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
5910-01-230-9651 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
5910-01-233-9147 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
5910-01-245-5265 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
5910-01-252-4316 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
5910-01-256-2643 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
5910-01-258-1378 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
5910-01-274-6909 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
Cross-Reference Index
Part NumberManufacturer
MIL-C-83421 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M83421-01-5168M Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-83421/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5910-01-132-8542INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5910-01-196-9386INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5910-01-197-2564INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5910-01-230-9651INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5910-01-233-9147INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5910-01-245-5265INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5910-01-252-4316INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5910-01-256-2643INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5910-01-258-1378INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5910-01-274-6909INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5910-01-274-6917INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5910-01-274-6921INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER

Frequently Asked Questions

What is NSN 5910-01-111-1091?

NSN 5910-01-111-1091 is a Capacitor,fixed,metallized,paper, 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: active.

What are the part numbers for NSN 5910-01-111-1091?

NSN 5910-01-111-1091 has 3 cross-referenced part numbers: MIL-C-83421 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M83421-01-5168M (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-83421/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5910-01-111-1091?

There are 12 known substitutes for 5910-01-111-1091: 5910-01-132-8542, 5910-01-196-9386, 5910-01-197-2564 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-C-83421?

Key specifications for MIL-C-83421: Terminal Length: 1.625 INCHES MINIMUM IN; Nonderated Operating Temp: -65.0 CELSIUS MINIMUM AND 100.0 CELSIUS MAXIMUM DEGC; Schematic Diagram Designator: NO COMMON OR GROUNDED ELECTRODE(S); Case Insulation Material: PLASTIC. 18 total characteristics are documented in the Federal Logistics Information System.

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