PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

665919PC22Transformer,power

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-295-7241 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-295-7241 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-295-7241. Primary manufacturer part number: 665919PC22.
Features
  • Transformer,power — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Body Height: 5.312 INCHES NOMINAL IN
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Frequency Rating: 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Inclosure Type: HERMETICALLY SEALED
  • Winding Operating Voltage: 6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-295-7241, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 8 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
NSN5950-00-295-7241
Primary Part Number665919PC22
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Height5.312 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current600.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.250 INCHES SINGLE GROUP IN
Winding Operating Voltage6.40 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Width2.688 INCHES NOMINAL IN
Body Length4.594 INCHES NOMINAL IN
Terminal Type and Quantity6 SOLDER STUD
Winding Operating Current10.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Thread Quantity Per Inch20 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length3.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3020-00-015-861430277-0 INTERCHANGEABLE
Gear Set,spur,matched
Rtx Corporation Div Pratt & Whitney
6130-01-063-2171 INTERCHANGEABLE
Power Supply Subassembly
Cross-Reference Index
Part NumberManufacturer
KS8872 Lucent Technologies Inc Dba Federal Marketing Group (USA)
ES0639623 Westinghouse Electric Corp (USA)
ES0639623 Naval Ship Systems Command (USA)
T9176 Acme Electric Corp (USA)
665919PC22 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
ES0639623 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
KS8872 American Telephone and Telegraph Co (USA)
KS8872 At and T Corp (USA)
ES0639623 At and T Corp (USA)
T7417480P97 PRIMARY Westinghouse Electric Corp (USA)
ES0639623 American Telephone and Telegraph Co (USA)
ES0639623 Lucent Technologies Inc Dba Federal Marketing Group (USA)
KS8872 Lucent Technologies Inc Corporate Headquarters (USA)
ES0639623 Lucent Technologies Inc Corporate Headquarters (USA)
302770 PRIMARY Naval Ship Systems Command (USA)
ES0639623 Acme Electric Corp (USA)
Related Parts
3020-00-015-8614INTERCHANGEABLE
GEAR SET,SPUR,MATCHED
30277-0
6130-01-063-2171INTERCHANGEABLE
POWER SUPPLY SUBASSEMBLY

Frequently Asked Questions

What is NSN 5950-00-295-7241?

NSN 5950-00-295-7241 is a Transformer,power, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-295-7241?

NSN 5950-00-295-7241 has 16 cross-referenced part numbers: KS8872 (Lucent Technologies Inc Dba Federal Marketing Group), ES0639623 (Westinghouse Electric Corp), ES0639623 (Naval Ship Systems Command), T9176 (Acme Electric Corp), 665919PC22 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 11 more.

What NSN replaces 5950-00-295-7241?

There are 2 known substitutes for 5950-00-295-7241: 3020-00-015-8614, 6130-01-063-2171. Verify interchangeability with system specifications before substitution.

What are the specifications of 665919PC22?

Key specifications for 665919PC22: Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT; Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Body Height: 5.312 INCHES NOMINAL IN; Mounting Method: THREADED STUD(S) SINGLE GROUP. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-295-7241 still in active supply?

NSN 5950-00-295-7241 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.
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