PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5M559-1Transformer,power

The Boeing Company Div Defense · NSN 5950-00-064-7084 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-064-7084 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-064-7084. Primary manufacturer part number: 5M559-1.
Features
  • Transformer,power — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Winding Operating Voltage: 56.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Reliability Indicator: NOT ESTABLISHED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-064-7084, 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 The Boeing Company Div Defense. Government technical data includes 22 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-064-7084
Primary Part Number5M559-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Inclosure TypeFULLY INCLOSED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Winding Operating Voltage56.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Width1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width1.625 INCHES NOMINAL IN
Winding Operating Current50.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Height2.375 INCHES NOMINAL IN
Winding Operating Current600.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Terminal Type and Quantity9 WIRE LEAD
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Length1.625 INCHES NOMINAL IN
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage20.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-188-52991776-1 INTERCHANGEABLE
Transformer,power
Electronic Transformer Corp Div Electronic Transformer Corporation
5330-00-288-257817761 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5905-01-092-49791776-1 INTERCHANGEABLE
Resistor Network,fixed,film
Caddock Electronics Inc.
5330-01-104-267717761 INTERCHANGEABLE
Gasket
Leroi International Inc Dba Compair Leroi
5325-01-395-480217761 INTERCHANGEABLE
Ring,retaining
Westerbeke Corporation
2530-01-444-672617-761 INTERCHANGEABLE
Camshaft,actuating,brake Shoe
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
6220-01-448-0491D3R0051 INTERCHANGEABLE
Light,dome
Link-Belt Cranes, L.p., Lllp
Cross-Reference Index
Part NumberManufacturer
5M559-1 PRIMARY The Boeing Company Div Defense (USA)
17761 Power Paragon Inc Dba Air Borne Power Div Airborne Power (USA)
Related Parts
5950-00-188-5299INTERCHANGEABLE
TRANSFORMER,POWER
1776-1
5330-00-288-2578INTERCHANGEABLE
SEAL,PLAIN ENCASED
17761
5905-01-092-4979INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
1776-1
5330-01-104-2677INTERCHANGEABLE
GASKET
17761
5325-01-395-4802INTERCHANGEABLE
RING,RETAINING
17761
2530-01-444-6726INTERCHANGEABLE
CAMSHAFT,ACTUATING,BRAKE SHOE
17-761
6220-01-448-0491INTERCHANGEABLE
LIGHT,DOME
D3R0051

Frequently Asked Questions

What is NSN 5950-00-064-7084?

NSN 5950-00-064-7084 is a Transformer,power, manufactured by The Boeing Company Div Defense, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-064-7084?

NSN 5950-00-064-7084 has 2 cross-referenced part numbers: 5M559-1 (The Boeing Company Div Defense), 17761 (Power Paragon Inc Dba Air Borne Power Div Airborne Power).

What NSN replaces 5950-00-064-7084?

There are 7 known substitutes for 5950-00-064-7084: 5950-00-188-5299, 5330-00-288-2578, 5905-01-092-4979 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5M559-1?

Key specifications for 5M559-1: Inclosure Type: FULLY INCLOSED; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT; Winding Operating Voltage: 56.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY. 22 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com