PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-39003/1Capacitor,fixed,electrolytic

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5910-01-278-1421 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-01-278-1421 — this item is cataloged by the U.S. Government under National Stock Number 5910-01-278-1421. Primary manufacturer part number: MIL-PRF-39003/1.
Features
  • Capacitor,fixed,electrolytic — FSC 5910
  • Case Insulation Material: PLASTIC
  • DC Leakage at Maximum Operating Temp: 63.0 MICROAMPERES
  • Capacitance Value Per Section: 27.000 MICROFARADS SINGLE SECTION
  • Body Style: W/O MTG FACILITIES, AXIAL TERMINALS
  • Terminal Length: 1.250 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
  • Terminal Diameter: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
  • Electrical Polarization: POLARIZED
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,fixed,electrolytic, cataloged under National Stock Number 5910-01-278-1421, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5910-01-278-1421
Primary Part NumberMIL-PRF-39003/1
Item NameCapacitor,fixed,electrolytic
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Case Insulation MaterialPLASTIC
DC Leakage at Maximum Operating Temp63.0 MICROAMPERES
Capacitance Value Per Section27.000 MICROFARADS SINGLE SECTION
Body StyleW/O MTG FACILITIES, AXIAL TERMINALS
Terminal Length1.250 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
Terminal Diameter0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
Electrical PolarizationPOLARIZED
Criticality Code JustificationFEAT
Features ProvidedHERMETICALLY SEALED CASE
Schematic Diagram DesignatorELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
Anode TypeSOLID
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
Body Length0.655 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN
Tolerance Range Per Section-10.00 TO 10.00 PERCENT SINGLE SECTION
Nonderated Continuous Voltage Rating and Type Per Section20.0 DC SINGLE SECTION
Body Diameter0.274 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
Specification/standard Data81349-MIL-C-39003/1 GOVERNMENT SPECIFICATION
Dissipation Factor at Reference Temp in Percent6.000
DC Leakage at Reference Temp2.500 MICROAMPERES
Test Data Document81349-MIL-C-39003 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 UNINSULATED WIRE LEAD
Capacitive Electrode MaterialTANTALUM
Reliability Failure Rate Level in Percent0.001
Reliability IndicatorESTABLISHED
Mil-Std-1276 Wire Lead Type DesignatorN-4
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3030-00-050-72054-3771-3 INTERCHANGEABLE
Belts,v,matched Set
Muviq Usa, Llc
5910-00-114-0780 INTERCHANGEABLE
Capacitor,fixed,electrolytic
5910-00-520-3416 INTERCHANGEABLE
Capacitor,fixed,electrolytic
5910-00-833-6765 INTERCHANGEABLE
Capacitor,fixed,electrolytic
5910-01-284-9696T212C276K020PS INTERCHANGEABLE
Capacitor,fixed,electrolytic
Kemet Electronics Corporation
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-39003/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39003/01-2771 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39003/01-6086 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39003/01-3011 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39003+1+2291 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39003/01-2531 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39003/01-8086 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILC39003-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-39003/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CSR13E266KM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
43771-3 Mirion Technologies (canberra), Inc. (USA)
150D276X9015R2 Sprague Electric Co World Hqs (USA)
Related Parts
3030-00-050-7205INTERCHANGEABLE
BELTS,V,MATCHED SET
4-3771-3
5910-00-114-0780INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
5910-00-520-3416INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
5910-00-833-6765INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
5910-01-284-9696INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
T212C276K020PS

Frequently Asked Questions

What is NSN 5910-01-278-1421?

NSN 5910-01-278-1421 is a Capacitor,fixed,electrolytic, 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 5910-01-278-1421?

NSN 5910-01-278-1421 has 12 cross-referenced part numbers: MIL-PRF-39003/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39003/01-2771 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39003/01-6086 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39003/01-3011 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39003+1+2291 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 7 more.

What NSN replaces 5910-01-278-1421?

There are 5 known substitutes for 5910-01-278-1421: 3030-00-050-7205, 5910-00-114-0780, 5910-00-520-3416 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-39003/1?

Key specifications for MIL-PRF-39003/1: Case Insulation Material: PLASTIC; DC Leakage at Maximum Operating Temp: 63.0 MICROAMPERES; Capacitance Value Per Section: 27.000 MICROFARADS SINGLE SECTION; Body Style: W/O MTG FACILITIES, AXIAL TERMINALS. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5910-01-278-1421 still in active supply?

NSN 5910-01-278-1421 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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