PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74-601Transformer,current

Square D Co Electromagnetic Industries Div · NSN 5950-00-314-5133 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-314-5133 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-314-5133. Primary manufacturer part number: 74-601.
Features
  • Transformer,current — FSC 5950
  • Winding Operating Voltage: 600.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Body Height: 4.688 INCHES NOMINAL IN
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG
  • Installation for Which Designed: INDOOR PORTABLE
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
  • Reliability Indicator: NOT ESTABLISHED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,current, cataloged under National Stock Number 5950-00-314-5133, 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 Square D Co Electromagnetic Industries Div. Government technical data includes 18 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-314-5133
Primary Part Number74-601
Item NameTransformer,current
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSquare D Co Electromagnetic Industries Div
StatusACTIVE
Winding Operating Voltage600.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Height4.688 INCHES NOMINAL IN
Terminal Type and Quantity2 TAB, SOLDER LUG
Installation for Which DesignedINDOOR PORTABLE
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Reliability IndicatorNOT ESTABLISHED
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Frequency Rating25.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Length4.688 INCHES NOMINAL IN
Body Width1.625 INCHES NOMINAL IN
Mounting Facility Quantity2 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Distance Between Mounting Facility Centers2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 SECONDARY SINGLE COMPONENT
Winding Operating Current1200.5 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5815-00-125-498174601 INTERCHANGEABLE
Bar,selector,teletypewriter
Telemechanics Inc
2520-00-876-46615-432X INTERCHANGEABLE
Spider,universal Joint,vehicular
Dana Corp Spicer Transmission Div
4820-01-195-5943 INTERCHANGEABLE
Valve,check
Cross-Reference Index
Part NumberManufacturer
74-601 Square D Co Electromagnetic Industries Div (USA)
71738-72 Phoenix Power Systems Inc (USA)
Related Parts
5815-00-125-4981INTERCHANGEABLE
BAR,SELECTOR,TELETYPEWRITER
74601
2520-00-876-4661INTERCHANGEABLE
SPIDER,UNIVERSAL JOINT,VEHICULAR
5-432X
4820-01-195-5943INTERCHANGEABLE
VALVE,CHECK

Frequently Asked Questions

What is NSN 5950-00-314-5133?

NSN 5950-00-314-5133 is a Transformer,current, manufactured by Square D Co Electromagnetic Industries Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-314-5133?

NSN 5950-00-314-5133 has 2 cross-referenced part numbers: 74-601 (Square D Co Electromagnetic Industries Div), 71738-72 (Phoenix Power Systems Inc).

What NSN replaces 5950-00-314-5133?

There are 3 known substitutes for 5950-00-314-5133: 5815-00-125-4981, 2520-00-876-4661, 4820-01-195-5943. Verify interchangeability with system specifications before substitution.

What are the specifications of 74-601?

Key specifications for 74-601: Winding Operating Voltage: 600.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Body Height: 4.688 INCHES NOMINAL IN; Terminal Type and Quantity: 2 TAB, SOLDER LUG; Installation for Which Designed: INDOOR PORTABLE. 18 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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