PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

587AS141-1Transformer,power

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 5950-00-203-4002 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-203-4002 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-203-4002. Primary manufacturer part number: 587AS141-1.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 230.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Terminal Type and Quantity: 4 WIRE LEAD
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Operating Current: 600.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Body Length: 3.000 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-203-4002, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 18 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-203-4002
Primary Part Number587AS141-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Winding Operating Voltage230.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity4 WIRE LEAD
Center to Center Distance Between Mounting Facilities Parallel to Width1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current600.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Length3.000 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage15.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Height2.500 INCHES MAXIMUM IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Operating Current46.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Mounting Hole Diameter0.190 INCHES NOMINAL SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width2.000 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeOPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-115-3814A18208 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
5940-00-115-5004MS20659-120 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5120-00-222-170518208 INTERCHANGEABLE
Ladle,melting,hand
C. S. Osborne and Company Dba Cs Osborne & Co
4940-00-351-4676 INTERCHANGEABLE
Gun,air Blow
5331-00-514-48041JH4350REVCPC INTERCHANGEABLE
O-Ring
Westinghouse Electric Corp
5305-00-959-2717MS35190-217 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5120-01-151-180418208 INTERCHANGEABLE
Key,socket Head Screw
Eklind Tool Co
5120-01-313-019918-234 INTERCHANGEABLE
Remover,electrical Connector
Applied Avionics, Llc Dba Applied Avionics, Inc
Cross-Reference Index
Part NumberManufacturer
587AS141-1 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
18208 Nwl, Inc. (USA)
Related Parts
5330-00-115-3814INTERCHANGEABLE
GASKET
A18208
5940-00-115-5004INTERCHANGEABLE
TERMINAL,LUG
MS20659-120
5120-00-222-1705INTERCHANGEABLE
LADLE,MELTING,HAND
18208
4940-00-351-4676INTERCHANGEABLE
GUN,AIR BLOW
5331-00-514-4804INTERCHANGEABLE
O-RING
1JH4350REVCPC
5305-00-959-2717INTERCHANGEABLE
SCREW,MACHINE
MS35190-217
5120-01-151-1804INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
18208
5120-01-313-0199INTERCHANGEABLE
REMOVER,ELECTRICAL CONNECTOR
18-234

Frequently Asked Questions

What is NSN 5950-00-203-4002?

NSN 5950-00-203-4002 is a Transformer,power, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-203-4002?

NSN 5950-00-203-4002 has 2 cross-referenced part numbers: 587AS141-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 18208 (Nwl, Inc.).

What NSN replaces 5950-00-203-4002?

There are 8 known substitutes for 5950-00-203-4002: 5330-00-115-3814, 5940-00-115-5004, 5120-00-222-1705 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 587AS141-1?

Key specifications for 587AS141-1: Winding Operating Voltage: 230.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Terminal Type and Quantity: 4 WIRE LEAD; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY 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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