PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JS344Transformer,power

Magnetika Inc · NSN 5950-00-931-1520 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-931-1520 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-931-1520. Primary manufacturer part number: JS344.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Body Width: 2.375 INCHES NOMINAL IN
  • Body Length: 2.750 INCHES NOMINAL IN
  • Body Height: 2.812 INCHES NOMINAL IN
  • Winding Operating Voltage: 52.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Winding Operating Voltage: 130.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-931-1520, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Magnetika Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-931-1520
Primary Part NumberJS344
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetika Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Body Width2.375 INCHES NOMINAL IN
Body Length2.750 INCHES NOMINAL IN
Body Height2.812 INCHES NOMINAL IN
Winding Operating Voltage52.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage130.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Thread Quantity Per Inch32 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current70.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Frequency Rating47.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Terminal Type and Quantity7 TAB, SOLDER LUG
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3020-00-904-5161E618190 INTERCHANGEABLE
Gear,spur
Raytheon Co
5950-01-116-2061 INTERCHANGEABLE
Transformer,power
6150-01-362-5234C500168 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
H142 Hubbell Harvey Inc Pulsecom Div (USA)
JS344 PRIMARY Magnetika Inc (USA)
JS344 United Transformer Corp Sub of Opt Industries Inc (USA)
C500168 Hubbell Harvey Inc Pulsecom Div (USA)
Related Parts
3020-00-904-5161INTERCHANGEABLE
GEAR,SPUR
E618190
5950-01-116-2061INTERCHANGEABLE
TRANSFORMER,POWER
6150-01-362-5234INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
C500168

Frequently Asked Questions

What is NSN 5950-00-931-1520?

NSN 5950-00-931-1520 is a Transformer,power, manufactured by Magnetika Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-931-1520?

NSN 5950-00-931-1520 has 4 cross-referenced part numbers: H142 (Hubbell Harvey Inc Pulsecom Div), JS344 (Magnetika Inc), JS344 (United Transformer Corp Sub of Opt Industries Inc), C500168 (Hubbell Harvey Inc Pulsecom Div).

What NSN replaces 5950-00-931-1520?

There are 3 known substitutes for 5950-00-931-1520: 3020-00-904-5161, 5950-01-116-2061, 6150-01-362-5234. Verify interchangeability with system specifications before substitution.

What are the specifications of JS344?

Key specifications for JS344: Reliability Indicator: NOT ESTABLISHED; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT; Body Width: 2.375 INCHES NOMINAL IN; Body Length: 2.750 INCHES NOMINAL IN. 21 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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