PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2191Capacitor,fixed,metallized,paper

Component Research Co Inc · NSN 5910-01-226-5727 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-01-226-5727 — this item is cataloged by the U.S. Government under National Stock Number 5910-01-226-5727. Primary manufacturer part number: 2191.
Features
  • Capacitor,fixed,metallized,paper — FSC 5910
  • Capacitance Value Per Section: 0.120 MICROFARADS SINGLE SECTION
  • Nonderated Continuous Voltage Rating and Type Per Section: 50.0 DC SINGLE SECTION
  • Body Length: 0.687 INCHES NOMINAL IN
  • Schematic Diagram Designator: NO COMMON OR GROUNDED ELECTRODE(S)
  • Tolerance Range Per Section: -5.00 TO 5.00 PERCENT SINGLE SECTION
  • Insulation Resistance at Maximum Operating Temp: 300000.0 MEGOHMS
  • Body Diameter: 0.265 INCHES MAXIMUM IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,fixed,metallized,paper, cataloged under National Stock Number 5910-01-226-5727, 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 Component Research Co Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5910-01-226-5727
Primary Part Number2191
Item NameCapacitor,fixed,metallized,paper
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerComponent Research Co Inc
StatusCANCELLED
Capacitance Value Per Section0.120 MICROFARADS SINGLE SECTION
Nonderated Continuous Voltage Rating and Type Per Section50.0 DC SINGLE SECTION
Body Length0.687 INCHES NOMINAL IN
Schematic Diagram DesignatorNO COMMON OR GROUNDED ELECTRODE(S)
Tolerance Range Per Section-5.00 TO 5.00 PERCENT SINGLE SECTION
Insulation Resistance at Maximum Operating Temp300000.0 MEGOHMS
Body Diameter0.265 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Terminal Diameter0.032 INCHES NOMINAL IN
Terminal Length1.625 INCHES MINIMUM IN
Nonderated Operating Temp-65.0 CELSIUS MINIMUM AND 100.0 CELSIUS MAXIMUM DEGC
Terminal Surface TreatmentSOLDER
Specification/standard Data81349-MIL-C-83421/1 GOVERNMENT SPECIFICATION
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Insulation Resistance at Reference Temp3000000.0 MEGOHMS
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
Reliability IndicatorESTABLISHED
Reliability Failure Rate Level in Percent0.0010
Body StyleW/O MTG FACILITIES, AXIAL TERMINALS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
4730-00-050-4208SAE-AS15003-1P INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
5945-00-180-8374 INTERCHANGEABLE
Relay,electromagnetic
5910-00-263-04552-191 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5310-00-364-7088 INTERCHANGEABLE
Nut,plain,castellated,hexagon
5355-00-667-96243224408 INTERCHANGEABLE
Knob
Hatch & Kirk, Inc.
5910-00-725-71332191 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Chicago Condenser Corp., Inc.
5450-01-083-0435 INTERCHANGEABLE
Bleacher,portable
5310-01-115-65852191 INTERCHANGEABLE
Washer,flat
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5310-01-290-2219MA367 21-011 INTERCHANGEABLE
Washer,concave
Am General Llc
5310-01-293-3578 INTERCHANGEABLE
Washer,lock
Cross-Reference Index
Part NumberManufacturer
2191 Component Research Co Inc (USA)
2191 Kemet Electronics Corporation (USA)
M83421/01-2179S Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M83421-01-2180M Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M83421/01-2179R Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-83421/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
639AS3096-2191 Kemet Electronics Corporation (USA)
MILC83421-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
XMFS88A124-10 Gulton Industries Inc Gudeman Div (USA)
MIL-PRF-83421/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M83421/01-2179P Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
639AS3096-2191 Component Research Co Inc (USA)
Related Parts
4730-00-050-4208INTERCHANGEABLE
FITTING,LUBRICATION
SAE-AS15003-1P
5945-00-180-8374INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5910-00-263-0455INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
2-191
5310-00-364-7088INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
5355-00-667-9624INTERCHANGEABLE
KNOB
3224408
5910-00-725-7133INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
2191
5450-01-083-0435INTERCHANGEABLE
BLEACHER,PORTABLE
5310-01-115-6585INTERCHANGEABLE
WASHER,FLAT
2191
5310-01-290-2219INTERCHANGEABLE
WASHER,CONCAVE
MA367 21-011
5310-01-293-3578INTERCHANGEABLE
WASHER,LOCK
6760-01-593-3585INTERCHANGEABLE
LENS,CAMERA,GENERAL PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 5910-01-226-5727?

NSN 5910-01-226-5727 is a Capacitor,fixed,metallized,paper, manufactured by Component Research Co Inc, classified under FSC 5910 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5910-01-226-5727?

NSN 5910-01-226-5727 has 12 cross-referenced part numbers: 2191 (Component Research Co Inc), 2191 (Kemet Electronics Corporation), M83421/01-2179S (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M83421-01-2180M (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M83421/01-2179R (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 7 more.

What NSN replaces 5910-01-226-5727?

There are 11 known substitutes for 5910-01-226-5727: 4730-00-050-4208, 5945-00-180-8374, 5910-00-263-0455 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2191?

Key specifications for 2191: Capacitance Value Per Section: 0.120 MICROFARADS SINGLE SECTION; Nonderated Continuous Voltage Rating and Type Per Section: 50.0 DC SINGLE SECTION; Body Length: 0.687 INCHES NOMINAL IN; Schematic Diagram Designator: NO COMMON OR GROUNDED ELECTRODE(S). 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5910-01-226-5727 still in active supply?

NSN 5910-01-226-5727 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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