PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-76058-1Transformer,power Autotransforme

The Boeing Company Div Defense · NSN 5950-00-518-0183 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-518-0183 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-518-0183. Primary manufacturer part number: 20-76058-1.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT
  • Frequency Rating: 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • Body Length: 2.340 INCHES NOMINAL IN
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-518-0183, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-518-0183
Primary Part Number20-76058-1
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Mounting Facility Quantity4 SINGLE GROUP
Winding Function and Quantity1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity3 TAB, SOLDER LUG
Body Length2.340 INCHES NOMINAL IN
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Body Height2.380 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Length0.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Maximum Operating Temp61.0 FAHRENHEIT DEGF
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Body Width2.130 INCHES NOMINAL IN
Winding Operating Voltage7.00 AC VOLTS MINIMUM AND 29.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Inclosure TypeFULLY INCLOSED
Thread Series DesignatorUNF SINGLE GROUP
Winding Operating Current3.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5815-00-125-48497661 INTERCHANGEABLE
Lever
Telemechanics Inc
5330-00-291-9630 INTERCHANGEABLE
Seal,plain Encased
5930-00-366-01057661 INTERCHANGEABLE
Switch,code Indicating Wheel
Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch
8120-00-663-34448526280 INTERCHANGEABLE
Compressed Gas Cyl
Us Army Aviation and Missile Command
5120-00-963-7661CET-C6B INTERCHANGEABLE
Remover,electrical Contact
Itt Cannon Llc
4820-01-025-77037661 INTERCHANGEABLE
Valve,globe
Harbormaster Marine, Inc
5305-01-127-1024XA-766-12 INTERCHANGEABLE
Screw,cap,hexagon Head
Saf-Holland, Inc.
5310-01-217-28657661 INTERCHANGEABLE
Nut,plain,hexagon
Liquid Controls, L.l.c. Div Idex Corporation
5340-01-461-13077661 INTERCHANGEABLE
Standoff,ceramic
Keystone Electronics Corp
5320-01-616-28247661 INTERCHANGEABLE
Rivet,solid
Independent Rough Terrain Center Llc
Cross-Reference Index
Part NumberManufacturer
20-76058-1 The Boeing Company Div Defense (USA)
7661 Staco Energy Products Co Dba Staco Energy Products Co (USA)
BT221F Basler Electric Co (USA)
Related Parts
5815-00-125-4849INTERCHANGEABLE
LEVER
7661
5330-00-291-9630INTERCHANGEABLE
SEAL,PLAIN ENCASED
5930-00-366-0105INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
7661
8120-00-663-3444INTERCHANGEABLE
COMPRESSED GAS CYL
8526280
5120-00-963-7661INTERCHANGEABLE
REMOVER,ELECTRICAL CONTACT
CET-C6B
4820-01-025-7703INTERCHANGEABLE
VALVE,GLOBE
7661
5305-01-127-1024INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
XA-766-12
5310-01-217-2865INTERCHANGEABLE
NUT,PLAIN,HEXAGON
7661
5340-01-461-1307INTERCHANGEABLE
STANDOFF,CERAMIC
7661
5320-01-616-2824INTERCHANGEABLE
RIVET,SOLID
7661

Frequently Asked Questions

What is NSN 5950-00-518-0183?

NSN 5950-00-518-0183 is a Transformer,power Autotransforme, manufactured by The Boeing Company Div Defense, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-518-0183?

NSN 5950-00-518-0183 has 3 cross-referenced part numbers: 20-76058-1 (The Boeing Company Div Defense), 7661 (Staco Energy Products Co Dba Staco Energy Products Co), BT221F (Basler Electric Co).

What NSN replaces 5950-00-518-0183?

There are 10 known substitutes for 5950-00-518-0183: 5815-00-125-4849, 5330-00-291-9630, 5930-00-366-0105 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-76058-1?

Key specifications for 20-76058-1: Mounting Facility Quantity: 4 SINGLE GROUP; Winding Function and Quantity: 1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT; Frequency Rating: 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 19 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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