PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

156990-01Transformer,power

Ge Aviation Systems Llc · NSN 5950-01-034-4892 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-034-4892 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-034-4892. Primary manufacturer part number: 156990-01.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 200.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Winding Operating Voltage: 8.50 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Body Width: 2.660 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
  • Winding Operating Current: 0.3 AMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-034-4892, 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 Ge Aviation Systems Llc. Government technical data includes 23 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-034-4892
Primary Part Number156990-01
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerGe Aviation Systems Llc
StatusACTIVE
Winding Operating Voltage200.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage8.50 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Body Width2.660 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Winding Operating Current0.3 AMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage8.50 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Body Height1.438 INCHES NOMINAL IN
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current0.3 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Body Length3.470 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current0.3 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity24 TAB, SOLDER LUG
Winding Operating Voltage8.50 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Input-Output Phase RelationshipTHREE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage8.70 AC VOLTS MINIMUM AND 15.50 AC VOLTS MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current60.0 MILLIAMPERES AC MINIMUM AND 1.23 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5120-00-025-23315120-00-025-2331 INTERCHANGEABLE
Hot Line Stick
General Services Administration Federal Supply Service
1315-00-028-4480 INTERCHANGEABLE
Cartridge,90 Millimeter
3120-00-349-644444383 INTERCHANGEABLE
Bearing Half,sleeve
Cummins Inc.
2940-01-038-442842693 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5962-01-178-248842693 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
4820-01-281-485243887 INTERCHANGEABLE
Valve,angle
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6150-01-345-420036885-20-LP INTERCHANGEABLE
Cable Assembly,special Purpose,e
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
42693 Coast/advanced Chip Magnetics, Inc. (USA)
43887 Freed Transformer Co (USA)
156990-01 PRIMARY Ge Aviation Systems Llc (USA)
Related Parts
5120-00-025-2331INTERCHANGEABLE
HOT LINE STICK
5120-00-025-2331
1315-00-028-4480INTERCHANGEABLE
CARTRIDGE,90 MILLIMETER
3120-00-349-6444INTERCHANGEABLE
BEARING HALF,SLEEVE
44383
2940-01-038-4428INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42693
5962-01-178-2488INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42693
4820-01-281-4852INTERCHANGEABLE
VALVE,ANGLE
43887
6150-01-345-4200INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
36885-20-LP

Frequently Asked Questions

What is NSN 5950-01-034-4892?

NSN 5950-01-034-4892 is a Transformer,power, manufactured by Ge Aviation Systems Llc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-034-4892?

NSN 5950-01-034-4892 has 3 cross-referenced part numbers: 42693 (Coast/advanced Chip Magnetics, Inc.), 43887 (Freed Transformer Co), 156990-01 (Ge Aviation Systems Llc).

What NSN replaces 5950-01-034-4892?

There are 7 known substitutes for 5950-01-034-4892: 5120-00-025-2331, 1315-00-028-4480, 3120-00-349-6444 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 156990-01?

Key specifications for 156990-01: Winding Operating Voltage: 200.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Winding Operating Voltage: 8.50 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY; Body Width: 2.660 INCHES NOMINAL IN; Winding Function and Quantity: 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT. 23 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