PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-1946Transformer,power

Tranex, Inc. · NSN 5950-00-005-0312 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-005-0312 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-005-0312. Primary manufacturer part number: 4-1946.
Features
  • Transformer,power — FSC 5950
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Winding Function and Quantity: 2 PRIMARY AND 8 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 105.30 AC VOLTS MINIMUM AND 128.70 AC VOLTS MAXIMUM SINGLE COMPONENT ALL PRIMARY
  • Winding Operating Voltage: 60.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Winding Operating Current: 350.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-005-0312, 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 Tranex, Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-005-0312
Primary Part Number4-1946
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTranex, Inc.
StatusACTIVE
Mounting Facility Quantity4 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Winding Function and Quantity2 PRIMARY AND 8 SECONDARY SINGLE COMPONENT
Winding Operating Voltage105.30 AC VOLTS MINIMUM AND 128.70 AC VOLTS MAXIMUM SINGLE COMPONENT ALL PRIMARY
Winding Operating Voltage60.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Frequency Rating50.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current350.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Winding Operating Voltage190.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Terminal Type and Quantity22 WIRE LEAD
Body Width2.590 INCHES MINIMUM AND 2.650 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.720 INCHES MINIMUM AND 1.780 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.157 INCHES MINIMUM AND 2.217 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current20.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT THIRD SECONDARY
Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE GROUP IN
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Height2.375 INCHES MAXIMUM IN
Body Length2.157 INCHES MINIMUM AND 2.217 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-01-500-348941946 INTERCHANGEABLE
Plug,pipe
Moog Inc. Dba Ampac-Isp Corp
5935-01-519-268241-946 INTERCHANGEABLE
Connector,receptacle,electrical
Thermo King Corporation Dba Phoenix Global Distirbution.
Cross-Reference Index
Part NumberManufacturer
4-1946 PRIMARY Tranex, Inc. (USA)
Related Parts
4730-01-500-3489INTERCHANGEABLE
PLUG,PIPE
41946
5935-01-519-2682INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
41-946

Frequently Asked Questions

What is NSN 5950-00-005-0312?

NSN 5950-00-005-0312 is a Transformer,power, manufactured by Tranex, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-005-0312?

NSN 5950-00-005-0312 has 1 cross-referenced part number: 4-1946 (Tranex, Inc.).

What NSN replaces 5950-00-005-0312?

There are 2 known substitutes for 5950-00-005-0312: 4730-01-500-3489, 5935-01-519-2682. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-1946?

Key specifications for 4-1946: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Winding Function and Quantity: 2 PRIMARY AND 8 SECONDARY SINGLE COMPONENT; Winding Operating Voltage: 105.30 AC VOLTS MINIMUM AND 128.70 AC VOLTS MAXIMUM SINGLE COMPONENT ALL PRIMARY. 20 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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