PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23520Transformer,power

Westamp Inc · NSN 5950-00-205-9559 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-205-9559 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-205-9559. Primary manufacturer part number: 23520.
Features
  • Transformer,power — FSC 5950
  • Distance Between Mounting Facility Centers: 1.219 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Current: 2.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Mounting Method: BRACKET(S) AND THREADED STUD(S) SINGLE GROUP
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Winding Operating Current: 2.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
  • Terminal Type and Quantity: 10 WIRE LEAD
  • Winding Function and Quantity: 2 PRIMARY AND 3 SECONDARY 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 5950-00-205-9559, 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 Westamp Inc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-205-9559
Primary Part Number23520
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerWestamp Inc
StatusACTIVE
Distance Between Mounting Facility Centers1.219 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current2.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Mounting MethodBRACKET(S) AND THREADED STUD(S) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Current2.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Terminal Type and Quantity10 WIRE LEAD
Winding Function and Quantity2 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Winding Operating Voltage20.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage23.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Body Width1.250 INCHES MAXIMUM IN
Winding Operating Current50.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Mounting Facility Quantity2 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage20.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Body Length1.125 INCHES MAXIMUM IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Body Height0.812 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5820-00-310-016623520 INTERCHANGEABLE
Autotune Mechanism
Naval Ship Systems Command
2925-00-497-534623520 INTERCHANGEABLE
Pipe Asy Mag
Vse Aviation, Inc.
5999-00-549-5561422176-8 INTERCHANGEABLE
Contact,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2805-00-708-3546200387 INTERCHANGEABLE
Ring
Renk America Llc Div Renk America
5330-00-974-726910-764 INTERCHANGEABLE
Packing,valve,spray
Bedford Precision Parts Corp
3110-01-187-1939930024 INTERCHANGEABLE
Bearing,ball,duplex
Mpb Corp Div Timken Super Precision
5970-01-202-011423520 INTERCHANGEABLE
Insulator,plate
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5310-01-388-0520N23520 INTERCHANGEABLE
Washer,lock
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
23520 Westamp Inc (USA)
T764 Westamp Inc (USA)
Related Parts
5820-00-310-0166INTERCHANGEABLE
AUTOTUNE MECHANISM
23520
2925-00-497-5346INTERCHANGEABLE
PIPE ASY MAG
23520
5999-00-549-5561INTERCHANGEABLE
CONTACT,ELECTRICAL
422176-8
2805-00-708-3546INTERCHANGEABLE
RING
200387
5330-00-974-7269INTERCHANGEABLE
PACKING,VALVE,SPRAY
10-764
3110-01-187-1939INTERCHANGEABLE
BEARING,BALL,DUPLEX
930024
5970-01-202-0114INTERCHANGEABLE
INSULATOR,PLATE
23520
5310-01-388-0520INTERCHANGEABLE
WASHER,LOCK
N23520

Frequently Asked Questions

What is NSN 5950-00-205-9559?

NSN 5950-00-205-9559 is a Transformer,power, manufactured by Westamp Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-205-9559?

NSN 5950-00-205-9559 has 2 cross-referenced part numbers: 23520 (Westamp Inc), T764 (Westamp Inc).

What NSN replaces 5950-00-205-9559?

There are 8 known substitutes for 5950-00-205-9559: 5820-00-310-0166, 2925-00-497-5346, 5999-00-549-5561 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23520?

Key specifications for 23520: Distance Between Mounting Facility Centers: 1.219 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Operating Current: 2.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY; Mounting Method: BRACKET(S) AND THREADED STUD(S) SINGLE GROUP; Thread Quantity Per Inch: 32 SINGLE GROUP. 22 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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