PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

666693-1Transformer,power

Raytheon Company Dba Raytheon · NSN 5950-00-024-3765 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-024-3765 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-024-3765. Primary manufacturer part number: 666693-1.
Features
  • Transformer,power — FSC 5950
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Voltage: 260.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Width: 2.313 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 5950-00-024-3765, 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. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-024-3765
Primary Part Number666693-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage260.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width2.313 INCHES NOMINAL IN
Test Data Document81349-MIL-T-27 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Height3.750 INCHES NOMINAL IN
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Terminal Type and Quantity6 WIRE LOOP
Body Length2.719 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage208.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current32.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
1720-00-316-039444356 INTERCHANGEABLE
Key
Eaton Aerospace, Llc Dba Jackson South
2530-00-709-955907-858233 INTERCHANGEABLE
Line
Tvh Parts Co.
5950-00-728-0228328356-1 INTERCHANGEABLE
Transformer,pulse
Raytheon Company
6640-00-937-7911 INTERCHANGEABLE
Dish,culture,petri
5930-01-043-616344356 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
7520-01-386-15817520-01-386-1581 INTERCHANGEABLE
Pencil,mechanical
National Industries for the Blind
Cross-Reference Index
Part NumberManufacturer
44356 Freed Transformer Co (USA)
666693-1 Superior Magnetics (USA)
666693-1 Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
BX-9386 Baltimore Transformer Co (USA)
666693-1 PRIMARY Raytheon Company Dba Raytheon (USA)
Related Parts
1720-00-316-0394INTERCHANGEABLE
KEY
44356
2530-00-709-9559INTERCHANGEABLE
LINE
07-858233
5950-00-728-0228INTERCHANGEABLE
TRANSFORMER,PULSE
328356-1
6640-00-937-7911INTERCHANGEABLE
DISH,CULTURE,PETRI
5930-01-043-6163INTERCHANGEABLE
SWITCH,FLOW
44356
7520-01-386-1581INTERCHANGEABLE
PENCIL,MECHANICAL
7520-01-386-1581

Frequently Asked Questions

What is NSN 5950-00-024-3765?

NSN 5950-00-024-3765 is a Transformer,power, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-024-3765?

NSN 5950-00-024-3765 has 5 cross-referenced part numbers: 44356 (Freed Transformer Co), 666693-1 (Superior Magnetics), 666693-1 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems), BX-9386 (Baltimore Transformer Co), 666693-1 (Raytheon Company Dba Raytheon).

What NSN replaces 5950-00-024-3765?

There are 6 known substitutes for 5950-00-024-3765: 1720-00-316-0394, 2530-00-709-9559, 5950-00-728-0228 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 666693-1?

Key specifications for 666693-1: Mounting Method: THREADED STUD(S) SINGLE GROUP; Thread Quantity Per Inch: 32 SINGLE GROUP; Reliability Indicator: NOT ESTABLISHED; Winding Operating Voltage: 260.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY. 21 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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