PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

742891-01Transformer,power

Ge Aviation Systems Llc · NSN 5950-01-023-5971 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-023-5971 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-023-5971. Primary manufacturer part number: 742891-01.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Length: 1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
  • Winding Operating Current: 300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Mounting Method: THREADED STUD(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 5950-01-023-5971, 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 21 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
NSN5950-01-023-5971
Primary Part Number742891-01
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerGe Aviation Systems Llc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Length1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
Winding Operating Current300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Voltage26.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Width1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Height2.250 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN
Body Width1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity8 THREADED STUD
Winding Operating Current600.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-011-8553 INTERCHANGEABLE
Nut,plain,hexagon
5210-00-081-611642212 INTERCHANGEABLE
Indicator,dial
B. C. Ames Incorporated
3110-00-227-338542212 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Dressta North America Ltd
7310-01-106-9882 INTERCHANGEABLE
Pan,steam Table
7510-01-412-3706 INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
5133-01-447-8200 INTERCHANGEABLE
Drill,twist
4720-01-669-8647422-12 INTERCHANGEABLE
Hose Assembly,nonmetallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
Cross-Reference Index
Part NumberManufacturer
42212 Coast/advanced Chip Magnetics, Inc. (USA)
742891-01 PRIMARY Ge Aviation Systems Llc (USA)
Related Parts
5310-00-011-8553INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5210-00-081-6116INTERCHANGEABLE
INDICATOR,DIAL
42212
3110-00-227-3385INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
42212
7310-01-106-9882INTERCHANGEABLE
PAN,STEAM TABLE
7510-01-412-3706INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
5133-01-447-8200INTERCHANGEABLE
DRILL,TWIST
4720-01-669-8647INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
422-12

Frequently Asked Questions

What is NSN 5950-01-023-5971?

NSN 5950-01-023-5971 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 5950-01-023-5971?

NSN 5950-01-023-5971 has 2 cross-referenced part numbers: 42212 (Coast/advanced Chip Magnetics, Inc.), 742891-01 (Ge Aviation Systems Llc).

What NSN replaces 5950-01-023-5971?

There are 7 known substitutes for 5950-01-023-5971: 5310-00-011-8553, 5210-00-081-6116, 3110-00-227-3385 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 742891-01?

Key specifications for 742891-01: Reliability Indicator: NOT ESTABLISHED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Thread Quantity Per Inch: 32 SINGLE GROUP; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 22 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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