PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

143681-000Transformer,power

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 5950-00-136-5556 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-136-5556 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-136-5556. Primary manufacturer part number: 143681-000.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Current: 3.5 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Terminal Type and Quantity: 14 STANDOFF, SOLDER LUG
  • Winding Function and Quantity: 1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
  • Winding Operating Current: 4.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Winding Operating Current: 6.0 MILLIAMPERES DC MAXIMUM 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 5950-00-136-5556, 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 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-136-5556
Primary Part Number143681-000
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusACTIVE
Winding Operating Current3.5 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity14 STANDOFF, SOLDER LUG
Winding Function and Quantity1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Winding Operating Current4.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current6.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Width2.125 INCHES NOMINAL IN
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Operating Current3.5 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Reliability IndicatorNOT ESTABLISHED
Body Length2.625 INCHES NOMINAL IN
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Maximum Operating Temp130.0 CELSIUS DEGC
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Height2.625 INCHES MAXIMUM IN
Thread Quantity Per Inch32 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Voltage107.50 AC VOLTS MINIMUM AND 119.50 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5961-00-052-2792 INTERCHANGEABLE
Transistor
5365-01-081-805444434 INTERCHANGEABLE
Shim
Electro-Tec Corp Dba Moog Inc., Components Group
4520-01-105-978844434 INTERCHANGEABLE
Igniter,spark,fuel
Unison Industries Llc
5305-01-119-0434A044434 INTERCHANGEABLE
Setscrew
L3 Technologies, Inc. Div L3 Keo
3455-01-174-5561SST24-4-4 INTERCHANGEABLE
Cutter,milling,end
Brubaker Tool Corp
5120-01-398-786900944434000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5305-01-549-599744434 INTERCHANGEABLE
Screw,cap,hexagon Head
Barnes Group Inc. Dba Barnes Distribution
Cross-Reference Index
Part NumberManufacturer
143681-000 Inrcore, Llc Div Inrcore (USA)
PEI 8415 Precision Electronics, Inc (USA)
143681-000 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
C16523 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
44434 Coast/advanced Chip Magnetics, Inc. (USA)
AE9241 Atlas Engineering Co Inc (USA)
Related Parts
5961-00-052-2792INTERCHANGEABLE
TRANSISTOR
5365-01-081-8054INTERCHANGEABLE
SHIM
44434
4520-01-105-9788INTERCHANGEABLE
IGNITER,SPARK,FUEL
44434
5305-01-119-0434INTERCHANGEABLE
SETSCREW
A044434
3455-01-174-5561INTERCHANGEABLE
CUTTER,MILLING,END
SST24-4-4
5120-01-398-7869INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00944434000
5305-01-549-5997INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
44434

Frequently Asked Questions

What is NSN 5950-00-136-5556?

NSN 5950-00-136-5556 is a Transformer,power, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-136-5556?

NSN 5950-00-136-5556 has 6 cross-referenced part numbers: 143681-000 (Inrcore, Llc Div Inrcore), PEI 8415 (Precision Electronics, Inc), 143681-000 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), C16523 (Electronic Transformer Corp Div Electronic Transformer Corporation), 44434 (Coast/advanced Chip Magnetics, Inc.) and 1 more.

What NSN replaces 5950-00-136-5556?

There are 7 known substitutes for 5950-00-136-5556: 5961-00-052-2792, 5365-01-081-8054, 4520-01-105-9788 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 143681-000?

Key specifications for 143681-000: Winding Operating Current: 3.5 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Terminal Type and Quantity: 14 STANDOFF, SOLDER LUG; Winding Function and Quantity: 1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT. 24 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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