PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-C-19978/3Capacitor,fixed,plastic Dielectr

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5910-01-015-3367 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-01-015-3367 — this item is cataloged by the U.S. Government under National Stock Number 5910-01-015-3367. Primary manufacturer part number: MIL-C-19978/3.
Features
  • Capacitor,fixed,plastic Dielectr — FSC 5910
  • Internal Electrical Connection Type: EXTENDED FOIL
  • Dielectric Material: PAPER AND PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER)
  • Insulation Resistance at Maximum Operating Temp: 15.0 MEGOHM-MICROFARADS
  • Features Provided: HERMETICALLY SEALED CASE
  • Center to Center Distance Between Terminals Parallel to Length: 0.812 INCHES NOMINAL IN
  • Body Height: 3.875 INCHES NOMINAL IN
  • Body Width: 1.062 INCHES NOMINAL IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,fixed,plastic Dielectr, cataloged under National Stock Number 5910-01-015-3367, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5910-01-015-3367
Primary Part NumberMIL-C-19978/3
Item NameCapacitor,fixed,plastic Dielectr
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Internal Electrical Connection TypeEXTENDED FOIL
Dielectric MaterialPAPER AND PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER)
Insulation Resistance at Maximum Operating Temp15.0 MEGOHM-MICROFARADS
Features ProvidedHERMETICALLY SEALED CASE
Center to Center Distance Between Terminals Parallel to Length0.812 INCHES NOMINAL IN
Body Height3.875 INCHES NOMINAL IN
Body Width1.062 INCHES NOMINAL IN
Dissipation Factor at Reference Temp in Percent1.0000
Capacitance Value Per Section2.000 MICROFARADS SINGLE SECTION
Body Length1.812 INCHES NOMINAL IN
Terminal Diameter0.190 INCHES MINIMUM AND 0.216 INCHES MAXIMUM IN
Tolerance Range Per Section-10.00 TO 10.00 PERCENT SINGLE SECTION
Terminal Height From Body1.375 INCHES NOMINAL IN
Schematic Diagram DesignatorNO COMMON OR GROUNDED ELECTRODE(S)
Nonderated Continuous Voltage Rating and Type Per Section1000.0 DC SINGLE SECTION
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
Insulation Resistance at Reference Temp1500.0 MEGOHM-MICROFARADS
Specification/standard Data81349-MIL-C-19978/3D GOVERNMENT SPECIFICATION
Test Data Document81349-MIL-C-19978 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 STANDOFF, THREADED STUD
Reliability IndicatorNOT ESTABLISHED
Body StyleW/O MTG FACILITIES, TERMINAL(S) ON ONE SURFACE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5815-00-021-0807154354 INTERCHANGEABLE
Teletypewriter Subassembly
Telemechanics Inc
5950-00-421-2977154354 INTERCHANGEABLE
Saturable Reactor
Raytheon Company Dba Raytheon Co
5950-01-054-3502 INTERCHANGEABLE
Transformer,pulse
Cross-Reference Index
Part NumberManufacturer
MIL-C-19978/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
154354 Sypris Electronics, Llc (USA)
MIL-PRF-19978/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CQ72E1GG205K3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5815-00-021-0807INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
154354
5950-00-421-2977INTERCHANGEABLE
SATURABLE REACTOR
154354
5950-01-054-3502INTERCHANGEABLE
TRANSFORMER,PULSE

Frequently Asked Questions

What is NSN 5910-01-015-3367?

NSN 5910-01-015-3367 is a Capacitor,fixed,plastic Dielectr, 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 5910-01-015-3367?

NSN 5910-01-015-3367 has 4 cross-referenced part numbers: MIL-C-19978/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 154354 (Sypris Electronics, Llc), MIL-PRF-19978/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CQ72E1GG205K3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5910-01-015-3367?

There are 3 known substitutes for 5910-01-015-3367: 5815-00-021-0807, 5950-00-421-2977, 5950-01-054-3502. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-C-19978/3?

Key specifications for MIL-C-19978/3: Internal Electrical Connection Type: EXTENDED FOIL; Dielectric Material: PAPER AND PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER); Insulation Resistance at Maximum Operating Temp: 15.0 MEGOHM-MICROFARADS; Features Provided: HERMETICALLY SEALED CASE. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5910-01-015-3367 still in active supply?

NSN 5910-01-015-3367 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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