PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78J513Transformer,power

Westinghouse Electric Corp Control Business Unit · NSN 5950-00-892-8861 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-892-8861 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-892-8861. Primary manufacturer part number: 78J513.
Features
  • Transformer,power — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 10.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Height: 23.750 INCHES NOMINAL IN
  • Body Width: 15.375 INCHES NOMINAL IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Mounting Hole Diameter: 0.625 INCHES NOMINAL SINGLE GROUP IN
  • Body Length: 12.500 INCHES NOMINAL IN
  • Terminal Type and Quantity: 5 WIRE LEAD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-892-8861, 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 Westinghouse Electric Corp Control Business Unit. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-892-8861
Primary Part Number78J513
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerWestinghouse Electric Corp Control Business Unit
StatusCANCELLED
Center to Center Distance Between Mounting Facilities Parallel to Width10.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height23.750 INCHES NOMINAL IN
Body Width15.375 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Mounting Hole Diameter0.625 INCHES NOMINAL SINGLE GROUP IN
Body Length12.500 INCHES NOMINAL IN
Terminal Type and Quantity5 WIRE LEAD
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Maximum Transformer Power Rating75.0 KILOVOLT-AMPERE SINGLE COMPONENT
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Voltage1000.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeOPEN
Center to Center Distance Between Mounting Facilities Parallel to Length12.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Cooling MethodSELF-COOLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5950-00-262-2249 INTERCHANGEABLE
Transformer,power
5950-00-678-4045 INTERCHANGEABLE
Transformer,power
5950-00-683-0510 INTERCHANGEABLE
Transformer,power
5950-00-973-2112221-001-155 INTERCHANGEABLE
Transformer,power
Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics
5950-01-142-5372 INTERCHANGEABLE
Transformer,power
5950-01-200-2783 INTERCHANGEABLE
Transformer,power
5950-01-325-9452L640A15 INTERCHANGEABLE
Transformer,power
Aq Transformer Solutions Inc.
5950-01-382-5593 INTERCHANGEABLE
Transformer,power
5950-01-382-5662 INTERCHANGEABLE
Transformer,power
5950-01-422-65123276952GP1 INTERCHANGEABLE
Transformer,power
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
78J513 Westinghouse Electric Corp Control Business Unit
MIL-T-17221 GP2 General Services Administration Federal Supply Service (USA)
S242A485G05 Westinghouse Electric Corp Control Business Unit
MIL-T-17221 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
78J513 Westinghouse Electric Corp (USA)
S242A485G05 Westinghouse Electric Corp (USA)
Related Parts
5950-00-262-2249INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-678-4045INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-683-0510INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-973-2112INTERCHANGEABLE
TRANSFORMER,POWER
221-001-155
5950-01-142-5372INTERCHANGEABLE
TRANSFORMER,POWER
5950-01-200-2783INTERCHANGEABLE
TRANSFORMER,POWER
5950-01-325-9452INTERCHANGEABLE
TRANSFORMER,POWER
L640A15
5950-01-382-5593INTERCHANGEABLE
TRANSFORMER,POWER
5950-01-382-5662INTERCHANGEABLE
TRANSFORMER,POWER
5950-01-422-6512INTERCHANGEABLE
TRANSFORMER,POWER
3276952GP1

Frequently Asked Questions

What is NSN 5950-00-892-8861?

NSN 5950-00-892-8861 is a Transformer,power, manufactured by Westinghouse Electric Corp Control Business Unit, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-892-8861?

NSN 5950-00-892-8861 has 6 cross-referenced part numbers: 78J513 (Westinghouse Electric Corp Control Business Unit), MIL-T-17221 GP2 (General Services Administration Federal Supply Service), S242A485G05 (Westinghouse Electric Corp Control Business Unit), MIL-T-17221 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 78J513 (Westinghouse Electric Corp) and 1 more.

What NSN replaces 5950-00-892-8861?

There are 10 known substitutes for 5950-00-892-8861: 5950-00-262-2249, 5950-00-678-4045, 5950-00-683-0510 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 78J513?

Key specifications for 78J513: Center to Center Distance Between Mounting Facilities Parallel to Width: 10.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Body Height: 23.750 INCHES NOMINAL IN; Body Width: 15.375 INCHES NOMINAL IN; Mounting Facility Quantity: 4 SINGLE GROUP. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-892-8861 still in active supply?

NSN 5950-00-892-8861 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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