PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S920522Transformer,power

Westinghouse Electric Corp · NSN 5950-00-252-2631 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-252-2631 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-252-2631. Primary manufacturer part number: S920522.
Features
  • Transformer,power — FSC 5950
  • Cooling Method: SELF-COOLED
  • Body Length: 3.812 INCHES NOMINAL IN
  • Body Height: 4.250 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-252-2631, 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. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5950-00-252-2631
Primary Part NumberS920522
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Cooling MethodSELF-COOLED
Body Length3.812 INCHES NOMINAL IN
Body Height4.250 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Mounting Facility Quantity4 SINGLE GROUP
Mounting Hole Diameter0.219 INCHES NOMINAL SINGLE GROUP IN
Winding Operating Voltage460.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Width3.125 INCHES NOMINAL IN
Terminal Type and Quantity4 WIRE LEAD
Center to Center Distance Between Mounting Facilities Parallel to Length2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Maximum Transformer Power Rating75.0 VOLT-AMPERE SINGLE COMPONENT
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.562 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5365-00-463-16397412379 INTERCHANGEABLE
Shim
U S Army Tank Automotive Command Amsta-Im-Mm
2520-00-773-7531303513 INTERCHANGEABLE
Pinion
The Oilgear Company Dba Jiffy Lube 213 Div Oilgear
4820-01-296-57003035-13 INTERCHANGEABLE
Valve,ball
Pentair Filtration Solutions, Llc
5895-01-578-8400LHC008A-R3 INTERCHANGEABLE
Interconnecting Box
Black Box Corporation of Pennsylvania
Cross-Reference Index
Part NumberManufacturer
S920522 PRIMARY Westinghouse Electric Corp (USA)
303513 Naval Ship Systems Command (USA)
Related Parts
5365-00-463-1639INTERCHANGEABLE
SHIM
7412379
2520-00-773-7531INTERCHANGEABLE
PINION
303513
4820-01-296-5700INTERCHANGEABLE
VALVE,BALL
3035-13
5895-01-578-8400INTERCHANGEABLE
INTERCONNECTING BOX
LHC008A-R3

Frequently Asked Questions

What is NSN 5950-00-252-2631?

NSN 5950-00-252-2631 is a Transformer,power, manufactured by Westinghouse Electric Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-252-2631?

NSN 5950-00-252-2631 has 2 cross-referenced part numbers: S920522 (Westinghouse Electric Corp), 303513 (Naval Ship Systems Command).

What NSN replaces 5950-00-252-2631?

There are 4 known substitutes for 5950-00-252-2631: 5365-00-463-1639, 2520-00-773-7531, 4820-01-296-5700 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S920522?

Key specifications for S920522: Cooling Method: SELF-COOLED; Body Length: 3.812 INCHES NOMINAL IN; Body Height: 4.250 INCHES NOMINAL IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 17 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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