PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39-23Capacitor,variable,air Dielectri

Barker & Williamson · NSN 5910-00-170-3502 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-00-170-3502 — this item is cataloged by the U.S. Government under National Stock Number 5910-00-170-3502. Primary manufacturer part number: 39-23.
Features
  • Capacitor,variable,air Dielectri — FSC 5910
  • Inclosure Type: UNINCLOSED
  • Bushing Shape: ROUND
  • Shaft Diameter: 0.250 INCHES NOMINAL SINGLE SHAFT IN
  • Plate Quantity: 3
  • Capacitance Range in Picofarads: +5.0 TO 25.0 SINGLE SECTION
  • Material: CERAMIC INSULATION SUPPORTING
  • Mounting Bolt Circle Diameter: 1.500 INCHES NOMINAL IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Ceramic Insulation Supporting construction
General Description

The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-00-170-3502, 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 Barker & Williamson. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5910-00-170-3502
Primary Part Number39-23
Item NameCapacitor,variable,air Dielectri
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerBarker & Williamson
StatusACTIVE
Inclosure TypeUNINCLOSED
Bushing ShapeROUND
Shaft Diameter0.250 INCHES NOMINAL SINGLE SHAFT IN
Plate Quantity3
Capacitance Range in Picofarads+5.0 TO 25.0 SINGLE SECTION
MaterialCERAMIC INSULATION SUPPORTING
Mounting Bolt Circle Diameter1.500 INCHES NOMINAL IN
Body Length2.000 INCHES NOMINAL IN
Mounting Facility Type and Quantity3 THREADED BUSHING
Nominal Thread Size0.375 INCHES IN
Bushing Diameter0.375 INCHES NOMINAL IN
Adjustment Device Rotation360.0 DEGREES NOMINAL CLOCKWISE
MaterialALUMINUM ALLOY CAPACITIVE ELECTRODE
Bushing Length0.625 INCHES NOMINAL IN
Shaft Length1.188 INCHES NOMINAL SINGLE SHAFT IN
Nonderated Voltage Rating and Type1700.0 AC PEAK SINGLE SECTION
Shaft TypeROUND, SLOTTED SINGLE SHAFT
Tuning CharacteristicSTRAIGHT LINE CAPACITY SINGLE SECTION
Adjustment Device Drive Type and Quantity1 SHAFT
Mounting Facility Screw Thread Series DesignatorUNEF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4730-00-293-71733923 INTERCHANGEABLE
Coupling Half,quick Disconnect
Tuthill Corp Hansen Coupling Div
6250-00-299-6982GE3327 INTERCHANGEABLE
Lampholder
General Electric Company
5930-00-615-7878 INTERCHANGEABLE
Switch,toggle
5915-01-097-0955415003-2 INTERCHANGEABLE
Filter,band Pass
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
3040-01-113-26663923 INTERCHANGEABLE
Shaft,pump
Weil Pump Co Inc
6670-01-140-08693923 INTERCHANGEABLE
Scale,weighing
Tyco Fire Products Lp
6520-01-180-3239 INTERCHANGEABLE
Crown,dental,temporary
6105-01-230-86493923 INTERCHANGEABLE
Motor,alternating Current
Carlisle & Finch Co
3110-01-406-4024AFW3923 INTERCHANGEABLE
Bearing,ball,annular
M3p, Inc Dba Gardner Denver Div Invincible Airflow Systems
Cross-Reference Index
Part NumberManufacturer
39-23 Barker & Williamson (USA)
39-23 Smart Machines, Inc. Dba Barker and Williamson (USA)
Related Parts
4730-00-293-7173INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
3923
6250-00-299-6982INTERCHANGEABLE
LAMPHOLDER
GE3327
5930-00-615-7878INTERCHANGEABLE
SWITCH,TOGGLE
5915-01-097-0955INTERCHANGEABLE
FILTER,BAND PASS
415003-2
3040-01-113-2666INTERCHANGEABLE
SHAFT,PUMP
3923
6670-01-140-0869INTERCHANGEABLE
SCALE,WEIGHING
3923
6520-01-180-3239INTERCHANGEABLE
CROWN,DENTAL,TEMPORARY
6105-01-230-8649INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
3923
3110-01-406-4024INTERCHANGEABLE
BEARING,BALL,ANNULAR
AFW3923

Frequently Asked Questions

What is NSN 5910-00-170-3502?

NSN 5910-00-170-3502 is a Capacitor,variable,air Dielectri, manufactured by Barker & Williamson, classified under FSC 5910 (No Item Name Available). Status: active.

What are the part numbers for NSN 5910-00-170-3502?

NSN 5910-00-170-3502 has 2 cross-referenced part numbers: 39-23 (Barker & Williamson), 39-23 (Smart Machines, Inc. Dba Barker and Williamson).

What NSN replaces 5910-00-170-3502?

There are 9 known substitutes for 5910-00-170-3502: 4730-00-293-7173, 6250-00-299-6982, 5930-00-615-7878 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 39-23?

Key specifications for 39-23: Inclosure Type: UNINCLOSED; Bushing Shape: ROUND; Shaft Diameter: 0.250 INCHES NOMINAL SINGLE SHAFT IN; Plate Quantity: 3. 24 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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