PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R5242Capacitor,variable,air Dielectri

Barker's Food Machinery Service Inc. · NSN 5910-00-328-1752 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-00-328-1752 — this item is cataloged by the U.S. Government under National Stock Number 5910-00-328-1752. Primary manufacturer part number: R5242.
Features
  • Capacitor,variable,air Dielectri — FSC 5910
  • Body Style: PISTON
  • Mounting Facility Screw Thread Series Designator: UNS
  • Insulation DC Resistance at 25 Deg Celsius: 1000.0 KILOHMS
  • Capacitance Range in Picofarads: +0.8 TO 10.0 SINGLE SECTION
  • Quality Factor at 25 Deg Celsius: 4000.0
  • Thread Class: 2A A
  • Bushing Shape: ROUND
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-00-328-1752, 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's Food Machinery Service Inc.. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5910-00-328-1752
Primary Part NumberR5242
Item NameCapacitor,variable,air Dielectri
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerBarker's Food Machinery Service Inc.
StatusCANCELLED
Body StylePISTON
Mounting Facility Screw Thread Series DesignatorUNS
Insulation DC Resistance at 25 Deg Celsius1000.0 KILOHMS
Capacitance Range in Picofarads+0.8 TO 10.0 SINGLE SECTION
Quality Factor at 25 Deg Celsius4000.0
Thread Class2A A
Bushing ShapeROUND
Tuning CharacteristicSTRAIGHT LINE CAPACITY SINGLE SECTION
Terminal Type and Quantity1 TURRET
Mounting Facility Type and Quantity1 THREADED BUSHING
Nominal Thread Size0.234 INCHES IN
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
Adjustment Device Torque0.500 INCH-OUNCES MINIMUM AND 5.000 INCH-OUNCES MAXIMUM IN
Nonderated Voltage Rating and Type250.0 DC CONTINUOUS SINGLE SECTION
Bushing Length0.219 INCHES NOMINAL IN
Body Length0.281 INCHES NOMINAL IN
Adjustment Device Drive Type and Quantity1 SLOTTED SCREW
Thread Quantity Per Inch64
Bushing Diameter0.234 INCHES NOMINAL IN
Overall Diameter0.281 INCHES NOMINAL IN
Inclosure TypeENCASED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6625-00-232-3832 INTERCHANGEABLE
Ammeter
5360-00-268-10554840 INTERCHANGEABLE
Spring,helical,compression
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
6680-00-531-60214840 INTERCHANGEABLE
Tachometer,mechanical,handheld
Schulze Mfg., Inc.
5950-00-575-0841213-11 INTERCHANGEABLE
Coil,radio Frequency
Wilco Corp
4330-01-173-8227 INTERCHANGEABLE
Filter Element,fluid
5950-01-251-4756 INTERCHANGEABLE
Coil,electrical
1377-01-525-41194840 INTERCHANGEABLE
Cartridge,powder Actuated Tool
Hilti Inc
6640-01-572-86674840 INTERCHANGEABLE
Tip,pipet
Corning Incorporated Dba Corning Incorporated
Cross-Reference Index
Part NumberManufacturer
R5242-10 Knowles Cazenovia, Inc. Div Johanson Manufacturing (USA)
JMCR5242 Knowles Cazenovia, Inc. Div Johanson Manufacturing (USA)
R5242 PRIMARY Barker's Food Machinery Service Inc. (USA)
R5242 Knowles Cazenovia, Inc. Div Johanson Manufacturing (USA)
4840 Knowles Cazenovia, Inc. Div Johanson Manufacturing (USA)
885C896P0001 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
885C896P1 Knowles Cazenovia, Inc. Div Johanson Manufacturing (USA)
885C896P1 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
Related Parts
6625-00-232-3832INTERCHANGEABLE
AMMETER
5360-00-268-1055INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4840
6680-00-531-6021INTERCHANGEABLE
TACHOMETER,MECHANICAL,HANDHELD
4840
5950-00-575-0841INTERCHANGEABLE
COIL,RADIO FREQUENCY
213-11
4330-01-173-8227INTERCHANGEABLE
FILTER ELEMENT,FLUID
5950-01-251-4756INTERCHANGEABLE
COIL,ELECTRICAL
1377-01-525-4119INTERCHANGEABLE
CARTRIDGE,POWDER ACTUATED TOOL
4840
6640-01-572-8667INTERCHANGEABLE
TIP,PIPET
4840

Frequently Asked Questions

What is NSN 5910-00-328-1752?

NSN 5910-00-328-1752 is a Capacitor,variable,air Dielectri, manufactured by Barker's Food Machinery Service Inc., classified under FSC 5910 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5910-00-328-1752?

NSN 5910-00-328-1752 has 8 cross-referenced part numbers: R5242-10 (Knowles Cazenovia, Inc. Div Johanson Manufacturing), JMCR5242 (Knowles Cazenovia, Inc. Div Johanson Manufacturing), R5242 (Barker's Food Machinery Service Inc.), R5242 (Knowles Cazenovia, Inc. Div Johanson Manufacturing), 4840 (Knowles Cazenovia, Inc. Div Johanson Manufacturing) and 3 more.

What NSN replaces 5910-00-328-1752?

There are 8 known substitutes for 5910-00-328-1752: 6625-00-232-3832, 5360-00-268-1055, 6680-00-531-6021 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R5242?

Key specifications for R5242: Body Style: PISTON; Mounting Facility Screw Thread Series Designator: UNS; Insulation DC Resistance at 25 Deg Celsius: 1000.0 KILOHMS; Capacitance Range in Picofarads: +0.8 TO 10.0 SINGLE SECTION. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5910-00-328-1752 still in active supply?

NSN 5910-00-328-1752 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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