PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T142Transformer,power

Cae Usa Inc. · NSN 5950-00-187-9711 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-187-9711 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-187-9711. Primary manufacturer part number: T142.
Features
  • Transformer,power — FSC 5950
  • Transformer Winding Connection Type: DELTA-WYE
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Input-Output Phase Relationship: THREE PHASE TO SINGLE PHASE AND THREE PHASE TO THREE PHASE SINGLE COMPONENT
  • Maximum Operating Temp: 130.0 CELSIUS DEGC
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Body Height: 1.360 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-187-9711, 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 Cae Usa Inc.. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-187-9711
Primary Part NumberT142
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerCae Usa Inc.
StatusCANCELLED
Transformer Winding Connection TypeDELTA-WYE
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Input-Output Phase RelationshipTHREE PHASE TO SINGLE PHASE AND THREE PHASE TO THREE PHASE SINGLE COMPONENT
Maximum Operating Temp130.0 CELSIUS DEGC
Reliability IndicatorNOT ESTABLISHED
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Body Height1.360 INCHES MAXIMUM IN
Winding Operating Current204.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Power Rating5.7 VOLTS-AMPERES SINGLE COMPONENT FIRST SECONDARY
Body Width2.090 INCHES MAXIMUM IN
Inclosure TypeHERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Width1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length3.000 INCHES MAXIMUM IN
Winding Operating Current290.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Winding Power Rating39.8 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length2.460 INCHES MINIMUM AND 2.480 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Winding Power Rating10.0 VOLTS-AMPERES SINGLE COMPONENT THIRD SECONDARY
Winding Function and Quantity1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Winding Power Rating7.5 VOLTS-AMPERES SINGLE COMPONENT FOURTH SECONDARY
Winding Power Rating6.6 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current384.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Voltage32.20 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage26.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Voltage78.20 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Terminal Type and Quantity16 TURRET
Winding Operating Voltage26.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Voltage200.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
2940-00-384-084951075 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5315-00-766-6079T-142 INTERCHANGEABLE
Clevis Pin
Ametek Inc
Cross-Reference Index
Part NumberManufacturer
K4830 Keytronics, Inc. Div Api Technologies Corp- Magnetics (USA)
9T33Y7069 General Electric Co Specialty Transformer Dept (USA)
T142 Raytheon Technical Services Company (USA)
T142 PRIMARY Cae Usa Inc. (USA)
Related Parts
2940-00-384-0849INTERCHANGEABLE
FILTER ELEMENT,FLUID
51075
5315-00-766-6079INTERCHANGEABLE
CLEVIS PIN
T-142

Frequently Asked Questions

What is NSN 5950-00-187-9711?

NSN 5950-00-187-9711 is a Transformer,power, manufactured by Cae Usa Inc., classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-187-9711?

NSN 5950-00-187-9711 has 4 cross-referenced part numbers: K4830 (Keytronics, Inc. Div Api Technologies Corp- Magnetics), 9T33Y7069 (General Electric Co Specialty Transformer Dept), T142 (Raytheon Technical Services Company), T142 (Cae Usa Inc.).

What NSN replaces 5950-00-187-9711?

There are 2 known substitutes for 5950-00-187-9711: 2940-00-384-0849, 5315-00-766-6079. Verify interchangeability with system specifications before substitution.

What are the specifications of T142?

Key specifications for T142: Transformer Winding Connection Type: DELTA-WYE; Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN; Input-Output Phase Relationship: THREE PHASE TO SINGLE PHASE AND THREE PHASE TO THREE PHASE SINGLE COMPONENT; Maximum Operating Temp: 130.0 CELSIUS DEGC. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-187-9711 still in active supply?

NSN 5950-00-187-9711 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.
PartsTable Design LLC · partstable.com