PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

990554-01Transformer,power

Ge Aviation Systems Llc · NSN 5950-00-729-2064 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-729-2064 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-729-2064. Primary manufacturer part number: 990554-01.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Current: 300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Winding Operating Voltage: 2.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-729-2064, 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 22 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-729-2064
Primary Part Number990554-01
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerGe Aviation Systems Llc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Voltage2.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Inclosure TypeHERMETICALLY SEALED
Winding Operating Voltage30.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Body Height2.437 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current10.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Body Width1.812 INCHES NOMINAL IN
Body Length1.937 INCHES NOMINAL IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity7 TAB, SOLDER LUG
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Maximum Operating Temp25.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5915-00-789-806244033 INTERCHANGEABLE
Filter,band Pass
L3harris Technologies, Inc. Div Space and Airborne Systems
5133-00-833-463310033 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
5895-01-261-0394A3020648-001 INTERCHANGEABLE
Jack Assembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
44033 Freed Transformer Co (USA)
990554-01 Berkshire Transformer (USA)
990554-01 PRIMARY Ge Aviation Systems Llc (USA)
Related Parts
5915-00-789-8062INTERCHANGEABLE
FILTER,BAND PASS
44033
5133-00-833-4633INTERCHANGEABLE
DRILL,TWIST
10033
5895-01-261-0394INTERCHANGEABLE
JACK ASSEMBLY
A3020648-001

Frequently Asked Questions

What is NSN 5950-00-729-2064?

NSN 5950-00-729-2064 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 5950-00-729-2064?

NSN 5950-00-729-2064 has 3 cross-referenced part numbers: 44033 (Freed Transformer Co), 990554-01 (Berkshire Transformer), 990554-01 (Ge Aviation Systems Llc).

What NSN replaces 5950-00-729-2064?

There are 3 known substitutes for 5950-00-729-2064: 5915-00-789-8062, 5133-00-833-4633, 5895-01-261-0394. Verify interchangeability with system specifications before substitution.

What are the specifications of 990554-01?

Key specifications for 990554-01: Reliability Indicator: NOT ESTABLISHED; Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Mounting Method: THREADED STUD(S) SINGLE GROUP; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 23 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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