PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1366589ATransformer,power

Westinghouse Electric Corp Control Business Unit · NSN 5950-00-688-7322 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-688-7322 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-688-7322. Primary manufacturer part number: S1366589A.
Features
  • Transformer,power — FSC 5950
  • Cooling Type: FINS
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 230.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Terminal Type and Quantity: 4 WIRE LEAD
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Maximum Transformer Power Rating: 1.0 KILOVOLT-AMPERE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-688-7322, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-688-7322
Primary Part NumberS1366589A
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerWestinghouse Electric Corp Control Business Unit
StatusACTIVE
Cooling TypeFINS
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Voltage230.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Terminal Type and Quantity4 WIRE LEAD
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Maximum Transformer Power Rating1.0 KILOVOLT-AMPERE SINGLE COMPONENT
Mounting Hole Diameter0.406 INCHES NOMINAL SINGLE GROUP IN
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Distance Between Mounting Facility Centers5.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Body Height9.812 INCHES NOMINAL IN
Cooling MethodSELF-COOLED
Body Length7.562 INCHES NOMINAL IN
Winding Shielding MethodEXTERNAL INCLOSURE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Body Width7.062 INCHES NOMINAL IN
Winding Operating Voltage450.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-897-4804S6202-3210877G2 INTERCHANGEABLE
Transformer,power
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
S1366589A Westinghouse Electric Corp Control Business Unit
MILT15108TYPEID Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
S6202-3103711G2 Naval Ship Systems Command (USA)
S1366589A Bernard Products
1366589 A Westinghouse Electric Corp Specialty Transformer Div (USA)
34A2470G2 Bernard Products
34A2470G2 Westinghouse Electric Corp Control Business Unit
Related Parts
5950-00-897-4804INTERCHANGEABLE
TRANSFORMER,POWER
S6202-3210877G2

Frequently Asked Questions

What is NSN 5950-00-688-7322?

NSN 5950-00-688-7322 is a Transformer,power, manufactured by Westinghouse Electric Corp Control Business Unit, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-688-7322?

NSN 5950-00-688-7322 has 7 cross-referenced part numbers: S1366589A (Westinghouse Electric Corp Control Business Unit), MILT15108TYPEID (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), S6202-3103711G2 (Naval Ship Systems Command), S1366589A (Bernard Products), 1366589 A (Westinghouse Electric Corp Specialty Transformer Div) and 2 more.

What NSN replaces 5950-00-688-7322?

There is 1 known substitute for 5950-00-688-7322: 5950-00-897-4804. Verify interchangeability with system specifications before substitution.

What are the specifications of S1366589A?

Key specifications for S1366589A: Cooling Type: FINS; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Winding Operating Voltage: 230.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT. 18 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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