PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

554963-1Transformer,power

Raytheon Company Dba Raytheon Co · NSN 5950-01-122-4249 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-122-4249 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-122-4249. Primary manufacturer part number: 554963-1.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Thread Series Designator: UNF SINGLE GROUP
  • Maximum Operating Temp: 67.0 CELSIUS DEGC
  • Transformer Winding Connection Type: DELTA-WYE
  • Distance Between Mounting Facility Centers: 4.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Length: 6.000 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-122-4249, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-122-4249
Primary Part Number554963-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Thread Series DesignatorUNF SINGLE GROUP
Maximum Operating Temp67.0 CELSIUS DEGC
Transformer Winding Connection TypeDELTA-WYE
Distance Between Mounting Facility Centers4.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length6.000 INCHES NOMINAL IN
Winding Operating Current40.8 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Winding Shielding MethodGROUNDED TO INCLOSURE, CORE AND MOUNTING SINGLE COMPONENT
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Body Width5.810 INCHES NOMINAL IN
Winding Operating Voltage440.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity2 SINGLE GROUP
Body Height8.000 INCHES NOMINAL IN
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Terminal Type and Quantity3 STANDOFF, THREADED STUD AND 3 TURRET
Inclosure TypeHERMETICALLY SEALED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Voltage23.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2815-00-646-972541970 INTERCHANGEABLE
Piston Assy,interna
Napco International Llc Dba Napco International Inc
5360-00-837-0705N41970 INTERCHANGEABLE
Spring,helical,compression
Leslie Controls, Inc. Dba Leslie Controls Inc
5950-01-069-7192554963-1 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Div Rms - Manassas
5998-01-328-521341970 INTERCHANGEABLE
Printed Circuit Board
Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
Cross-Reference Index
Part NumberManufacturer
554963-1 Raytheon Company (USA)
ST-2783 Norlake Manufacturing Co (USA)
PEI6362 Precision Electronics, Inc (USA)
C13475 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
554963-1 Raytheon Company Div Corp (USA)
554963-1 PRIMARY Raytheon Company Dba Raytheon Co (USA)
554963-1 Berkshire Transformer (USA)
41970 Coast/advanced Chip Magnetics, Inc. (USA)
Related Parts
2815-00-646-9725INTERCHANGEABLE
PISTON ASSY,INTERNA
41970
5360-00-837-0705INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
N41970
5950-01-069-7192INTERCHANGEABLE
TRANSFORMER,POWER
554963-1
5998-01-328-5213INTERCHANGEABLE
PRINTED CIRCUIT BOARD
41970

Frequently Asked Questions

What is NSN 5950-01-122-4249?

NSN 5950-01-122-4249 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 5950-01-122-4249?

NSN 5950-01-122-4249 has 8 cross-referenced part numbers: 554963-1 (Raytheon Company), ST-2783 (Norlake Manufacturing Co), PEI6362 (Precision Electronics, Inc), C13475 (Electronic Transformer Corp Div Electronic Transformer Corporation), 554963-1 (Raytheon Company Div Corp) and 3 more.

What NSN replaces 5950-01-122-4249?

There are 4 known substitutes for 5950-01-122-4249: 2815-00-646-9725, 5360-00-837-0705, 5950-01-069-7192 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 554963-1?

Key specifications for 554963-1: Reliability Indicator: NOT ESTABLISHED; Overall Length: 7.500 INCHES NOMINAL IN; Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT; Thread Series Designator: UNF SINGLE GROUP. 23 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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