PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

154101Transformer,power

Raytheon Company Dba Raytheon Co · NSN 5950-00-421-2976 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-421-2976 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-421-2976. Primary manufacturer part number: 154101.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Height: 1.610 INCHES MAXIMUM IN
  • Body Width: 1.460 INCHES MAXIMUM IN
  • Winding Operating Current: 86.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Winding Operating Current: 160.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-421-2976, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-421-2976
Primary Part Number154101
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Height1.610 INCHES MAXIMUM IN
Body Width1.460 INCHES MAXIMUM IN
Winding Operating Current86.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Winding Operating Current160.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Voltage744.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE GROUP IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage100.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Length1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity10 PIN
Body Length2.900 INCHES MAXIMUM IN
Winding Operating Voltage200.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-132-1048 INTERCHANGEABLE
Washer,flat
4730-00-277-5105AS5197-050502 INTERCHANGEABLE
Tee,pipe to Tube
Sae International Dba Sae International
5310-00-360-219416055 INTERCHANGEABLE
Washer,shouldered
Regal-Beloit Corporation Dba Fasco Group Div Cassville Division
5815-00-676-6942154101 INTERCHANGEABLE
Plate,rear,teletypewriter
Telemechanics Inc
5305-00-827-248553A68A29 INTERCHANGEABLE
Setscrew
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5331-00-950-82172J8163 INTERCHANGEABLE
O-Ring
Caterpillar Inc Div Caterpillar Defense
5330-01-067-3440MP0-0046 INTERCHANGEABLE
Seal,plain Encased
Load King, Llc Div Load King
5340-01-150-1368154101 INTERCHANGEABLE
Standoff,threaded,spacing
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5330-01-165-8667 INTERCHANGEABLE
Seal,plain Encased
3040-01-167-288516055 INTERCHANGEABLE
Shaft,drive
Middleby Marshall Inc Conveyor Ovens and Mixers Div
Cross-Reference Index
Part NumberManufacturer
154101 Berkshire Transformer (USA)
154101 Raytheon Company Div Corp (USA)
154101 PRIMARY Raytheon Company Dba Raytheon Co (USA)
154101 Raytheon Company (USA)
C14687 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
43343 Coast/advanced Chip Magnetics, Inc. (USA)
16055 Robert M. Hadley Company, Inc. (USA)
Related Parts
5310-00-132-1048INTERCHANGEABLE
WASHER,FLAT
4730-00-277-5105INTERCHANGEABLE
TEE,PIPE TO TUBE
AS5197-050502
5310-00-360-2194INTERCHANGEABLE
WASHER,SHOULDERED
16055
5815-00-676-6942INTERCHANGEABLE
PLATE,REAR,TELETYPEWRITER
154101
5305-00-827-2485INTERCHANGEABLE
SETSCREW
53A68A29
5331-00-950-8217INTERCHANGEABLE
O-RING
2J8163
5330-01-067-3440INTERCHANGEABLE
SEAL,PLAIN ENCASED
MP0-0046
5340-01-150-1368INTERCHANGEABLE
STANDOFF,THREADED,SPACING
154101
5330-01-165-8667INTERCHANGEABLE
SEAL,PLAIN ENCASED
3040-01-167-2885INTERCHANGEABLE
SHAFT,DRIVE
16055
4820-01-219-1431INTERCHANGEABLE
SEAT,VALVE
1541-01
6625-01-265-8495INTERCHANGEABLE
MULTIMETER
16055

Frequently Asked Questions

What is NSN 5950-00-421-2976?

NSN 5950-00-421-2976 is a Transformer,power, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-421-2976?

NSN 5950-00-421-2976 has 7 cross-referenced part numbers: 154101 (Berkshire Transformer), 154101 (Raytheon Company Div Corp), 154101 (Raytheon Company Dba Raytheon Co), 154101 (Raytheon Company), C14687 (Electronic Transformer Corp Div Electronic Transformer Corporation) and 2 more.

What NSN replaces 5950-00-421-2976?

There are 12 known substitutes for 5950-00-421-2976: 5310-00-132-1048, 4730-00-277-5105, 5310-00-360-2194 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 154101?

Key specifications for 154101: Reliability Indicator: NOT ESTABLISHED; Body Height: 1.610 INCHES MAXIMUM IN; Body Width: 1.460 INCHES MAXIMUM IN; Winding Operating Current: 86.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY. 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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