PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

137012-01Transformer,power

Ge Aviation Systems Llc · NSN 5950-00-858-4489 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-858-4489 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-858-4489. Primary manufacturer part number: 137012-01.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Body Width: 1.030 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-858-4489, 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 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-858-4489
Primary Part Number137012-01
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerGe Aviation Systems Llc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Width1.030 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Body Length1.468 INCHES NOMINAL IN
Winding Operating Current220.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Thread Quantity Per Inch40 SINGLE GROUP
Winding Operating Voltage4.10 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Maximum Operating Temp105.0 CELSIUS DEGC
Winding Operating Voltage31.40 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Distance Between Mounting Facility Centers1.452 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage10.00 AC VOLTS NOMINAL AND 26.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Current55.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Inclosure TypeFULLY INCLOSED
Body Height1.181 INCHES NOMINAL IN
Winding Operating Current400.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage11.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Terminal Type and Quantity12 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-067-9801 INTERCHANGEABLE
Nut,tube Coupling
5950-00-103-5242G146-529-001 INTERCHANGEABLE
Transformer,power
Bae Systems Information and Electronic Systems Integration Inc.
5905-00-174-7943 INTERCHANGEABLE
Resistor,fixed,wire Wound
5330-00-247-2194 INTERCHANGEABLE
Seal,plain Encased
3130-00-271-0378MFC47 INTERCHANGEABLE
Bearing Unit,ball
Johnson C S Co Inc
5210-00-309-919260312 INTERCHANGEABLE
Gage,depth,dial Indicating
Chicago Dial Indicator Co Div Chicago Dial Indicator Co Inc
2810-00-478-9835136025 INTERCHANGEABLE
Gear-Oil Suction Pu
Curtiss-Wright Controls, Inc. Div Actuation Division
4730-00-588-26874CM4BR INTERCHANGEABLE
Adapter,straight,pipe to Tube
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
1660-00-656-8739136025 INTERCHANGEABLE
Bracket Assy,vibrat
Honeywell International, Inc Div Aerospace-Tucson
4320-00-765-26427660 INTERCHANGEABLE
Gear,pump
Oberdorfer Foundries Inc
Cross-Reference Index
Part NumberManufacturer
40014 Coast/advanced Chip Magnetics, Inc. (USA)
801281 North Erie Electronics, Inc Dba Fisher Engineering (USA)
136025 Ge Aviation Systems Llc (USA)
137012-01 PRIMARY Ge Aviation Systems Llc (USA)
TP-1451 North Erie Electronics, Inc Dba Fisher Engineering (USA)
Related Parts
4730-00-067-9801INTERCHANGEABLE
NUT,TUBE COUPLING
5950-00-103-5242INTERCHANGEABLE
TRANSFORMER,POWER
G146-529-001
5905-00-174-7943INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5330-00-247-2194INTERCHANGEABLE
SEAL,PLAIN ENCASED
3130-00-271-0378INTERCHANGEABLE
BEARING UNIT,BALL
MFC47
5210-00-309-9192INTERCHANGEABLE
GAGE,DEPTH,DIAL INDICATING
60312
2810-00-478-9835INTERCHANGEABLE
GEAR-OIL SUCTION PU
136025
4730-00-588-2687INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4CM4BR
1660-00-656-8739INTERCHANGEABLE
BRACKET ASSY,VIBRAT
136025
4320-00-765-2642INTERCHANGEABLE
GEAR,PUMP
7660
4910-00-769-1538INTERCHANGEABLE
VALVE ASSEMBLY,VENT
3020-00-798-7542INTERCHANGEABLE
GEAR,SPUR
3892H1542

Frequently Asked Questions

What is NSN 5950-00-858-4489?

NSN 5950-00-858-4489 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 5950-00-858-4489?

NSN 5950-00-858-4489 has 5 cross-referenced part numbers: 40014 (Coast/advanced Chip Magnetics, Inc.), 801281 (North Erie Electronics, Inc Dba Fisher Engineering), 136025 (Ge Aviation Systems Llc), 137012-01 (Ge Aviation Systems Llc), TP-1451 (North Erie Electronics, Inc Dba Fisher Engineering).

What NSN replaces 5950-00-858-4489?

There are 12 known substitutes for 5950-00-858-4489: 4730-00-067-9801, 5950-00-103-5242, 5905-00-174-7943 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 137012-01?

Key specifications for 137012-01: Reliability Indicator: NOT ESTABLISHED; Overall Height: 1.462 INCHES NOMINAL IN; Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT; Mounting Facility Quantity: 2 SINGLE GROUP. 24 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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