PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PC40H300Capacitor,variable,glass Dielect

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5910-00-946-9136 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-00-946-9136 — this item is cataloged by the U.S. Government under National Stock Number 5910-00-946-9136. Primary manufacturer part number: PC40H300.
Features
  • Capacitor,variable,glass Dielect — FSC 5910
  • Body Style: PISTON
  • Test Data Document: 81349-MIL-C-14409 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.).
  • Mounting Facility Screw Thread Series Designator: UNF
  • Nonderated Operating Temp: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
  • Capacitance Drift in Picofarads: 0.02 SINGLE SECTION
  • Adjustment Device Drive Type and Quantity: 1 SLOTTED SCREW
  • Inclosure Type: ENCASED
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,variable,glass Dielect, cataloged under National Stock Number 5910-00-946-9136, 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 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5910-00-946-9136
Primary Part NumberPC40H300
Item NameCapacitor,variable,glass Dielect
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Body StylePISTON
Test Data Document81349-MIL-C-14409 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.).
Mounting Facility Screw Thread Series DesignatorUNF
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
Capacitance Drift in Picofarads0.02 SINGLE SECTION
Adjustment Device Drive Type and Quantity1 SLOTTED SCREW
Inclosure TypeENCASED
Nonderated Voltage Rating and Type750.0 DC CONTINUOUS SINGLE SECTION
Quality Factor at 25 Deg Celsius500.0
Terminal Type and Quantity1 WIRE LEAD
Temp Coefficient of Capacitance Range in Ppm Per Deg Celsius-100.0 TO 100.0 SINGLE SECTION
Bushing Width0.167 INCHES NOMINAL IN
Bushing Diameter0.190 INCHES NOMINAL IN
Insulation DC Resistance at 25 Deg Celsius100.0 GIGOHMS
Bushing ShapeROUND W/FLAT
Nominal Thread Size0.190 INCHES IN
Mounting Facility Type and Quantity1 THREADED BUSHING
Body Length1.594 INCHES NOMINAL IN
Overall Diameter0.250 INCHES NOMINAL IN
Bushing Length0.281 INCHES NOMINAL IN
Adjustment Device Torque6.000 INCH-POUNDS MAXIMUM IN
Capacitance Range in Picofarads+1.0 TO 38.0 SINGLE SECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5910-00-150-4656 INTERCHANGEABLE
Capacitor,variable,glass Dielect
5910-00-731-1358 INTERCHANGEABLE
Capacitor,variable,glass Dielect
5910-00-781-3238 INTERCHANGEABLE
Capacitor,variable,glass Dielect
5910-00-781-3239 INTERCHANGEABLE
Capacitor,variable,glass Dielect
5910-00-786-8786 INTERCHANGEABLE
Capacitor,variable,glass Dielect
5910-00-786-8789 INTERCHANGEABLE
Capacitor,variable,glass Dielect
5910-00-901-6559 INTERCHANGEABLE
Capacitor,variable,glass Dielect
5910-00-914-3475 INTERCHANGEABLE
Capacitor,variable,glass Dielect
5910-00-924-4205 INTERCHANGEABLE
Capacitor,variable,glass Dielect
5910-00-989-9715 INTERCHANGEABLE
Capacitor,variable,glass Dielect
Cross-Reference Index
Part NumberManufacturer
PC40H300 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-14409/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
PC50H380 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILC14409-6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5910-00-150-4656INTERCHANGEABLE
CAPACITOR,VARIABLE,GLASS DIELECT
5910-00-731-1358INTERCHANGEABLE
CAPACITOR,VARIABLE,GLASS DIELECT
5910-00-781-3238INTERCHANGEABLE
CAPACITOR,VARIABLE,GLASS DIELECT
5910-00-781-3239INTERCHANGEABLE
CAPACITOR,VARIABLE,GLASS DIELECT
5910-00-786-8786INTERCHANGEABLE
CAPACITOR,VARIABLE,GLASS DIELECT
5910-00-786-8789INTERCHANGEABLE
CAPACITOR,VARIABLE,GLASS DIELECT
5910-00-901-6559INTERCHANGEABLE
CAPACITOR,VARIABLE,GLASS DIELECT
5910-00-914-3475INTERCHANGEABLE
CAPACITOR,VARIABLE,GLASS DIELECT
5910-00-924-4205INTERCHANGEABLE
CAPACITOR,VARIABLE,GLASS DIELECT
5910-00-989-9715INTERCHANGEABLE
CAPACITOR,VARIABLE,GLASS DIELECT

Frequently Asked Questions

What is NSN 5910-00-946-9136?

NSN 5910-00-946-9136 is a Capacitor,variable,glass Dielect, 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 5910-00-946-9136?

NSN 5910-00-946-9136 has 4 cross-referenced part numbers: PC40H300 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-14409/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), PC50H380 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILC14409-6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5910-00-946-9136?

There are 10 known substitutes for 5910-00-946-9136: 5910-00-150-4656, 5910-00-731-1358, 5910-00-781-3238 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PC40H300?

Key specifications for PC40H300: Body Style: PISTON; Test Data Document: 81349-MIL-C-14409 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.).; Mounting Facility Screw Thread Series Designator: UNF; Nonderated Operating Temp: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC. 22 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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