PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5-1401Transformer,power Autotransforme

Superior Electric Holding Group Llc Div Specialty Product Technologies · NSN 5950-01-111-9257 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-111-9257 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-111-9257. Primary manufacturer part number: 5-1401.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 4.070 INCHES MAXIMUM IN
  • Winding Operating Current: 5.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Nominal Thread Size: 0.375 INCHES SINGLE GROUP IN
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Specification/standard Data: 78286-70550-01017 MANUFACTURERS SOURCE CONTROL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-01-111-9257, 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 Superior Electric Holding Group Llc Div Specialty Product Technologies. Government technical data includes 18 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-111-9257
Primary Part Number5-1401
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSuperior Electric Holding Group Llc Div Specialty Product Technologies
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Length4.070 INCHES MAXIMUM IN
Winding Operating Current5.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Nominal Thread Size0.375 INCHES SINGLE GROUP IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Specification/standard Data78286-70550-01017 MANUFACTURERS SOURCE CONTROL
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Criticality Code JustificationFEAT
Mounting Facility Quantity1 SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Test Data Document78286-70550-01017 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Overall Diameter3.050 INCHES MAXIMUM IN
Thread Series DesignatorUNF SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity5 THREADED STUD
Winding Operating Voltage0.00 AC VOLTS MINIMUM AND 28.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Features ProvidedW/SWITCH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5945-00-091-426626475 INTERCHANGEABLE
Solenoid,electrical
Hydro-Aire Aerospace Corp
5915-00-164-017210690818 INTERCHANGEABLE
Filter,high Pass
Us Army Aviation and Missile Command
2840-00-168-500826475 INTERCHANGEABLE
Seal,air,aircraft Gas Turbine En
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
6685-00-384-0341211 INTERCHANGEABLE
Thermometer,self-Indicating
Weksler Glass Thermometer Corp
4330-00-416-73091-414-B INTERCHANGEABLE
Filter Element,fluid
Baldwin Filters
5355-00-703-757926475 INTERCHANGEABLE
Dial,indicator
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
6810-00-797-8619 INTERCHANGEABLE
Lithium Bromide Charge
5325-00-806-0206 INTERCHANGEABLE
Ring,retaining
1650-01-111-5904TC036UH096 INTERCHANGEABLE
Indicator,button,red
Pall Aeropower Corporation
5998-01-232-6959 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
70550-01017-101 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
5-1401 PRIMARY Superior Electric Holding Group Llc Div Specialty Product Technologies (USA)
26475 PRIMARY Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
Related Parts
5945-00-091-4266INTERCHANGEABLE
SOLENOID,ELECTRICAL
26475
5915-00-164-0172INTERCHANGEABLE
FILTER,HIGH PASS
10690818
2840-00-168-5008INTERCHANGEABLE
SEAL,AIR,AIRCRAFT GAS TURBINE EN
26475
6685-00-384-0341INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
211
4330-00-416-7309INTERCHANGEABLE
FILTER ELEMENT,FLUID
1-414-B
5355-00-703-7579INTERCHANGEABLE
DIAL,INDICATOR
26475
6810-00-797-8619INTERCHANGEABLE
LITHIUM BROMIDE CHARGE
5325-00-806-0206INTERCHANGEABLE
RING,RETAINING
1650-01-111-5904INTERCHANGEABLE
INDICATOR,BUTTON,RED
TC036UH096
5998-01-232-6959INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4320-01-249-6563INTERCHANGEABLE
PUMP,CENTRIFUGAL
26475
2540-01-368-7977INTERCHANGEABLE
PEDAL,CONTROL
51401

Frequently Asked Questions

What is NSN 5950-01-111-9257?

NSN 5950-01-111-9257 is a Transformer,power Autotransforme, manufactured by Superior Electric Holding Group Llc Div Specialty Product Technologies, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-111-9257?

NSN 5950-01-111-9257 has 3 cross-referenced part numbers: 70550-01017-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 5-1401 (Superior Electric Holding Group Llc Div Specialty Product Technologies), 26475 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems).

What NSN replaces 5950-01-111-9257?

There are 12 known substitutes for 5950-01-111-9257: 5945-00-091-4266, 5915-00-164-0172, 2840-00-168-5008 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5-1401?

Key specifications for 5-1401: Reliability Indicator: NOT ESTABLISHED; Body Length: 4.070 INCHES MAXIMUM IN; Winding Operating Current: 5.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 20 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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