PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST1403Transformer,power

Electronic Transformer Corp Div Electronic Transformer Corporation · NSN 5950-00-969-8808 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-969-8808 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-969-8808. Primary manufacturer part number: ST1403.
Features
  • Transformer,power — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Body Height: 3.812 INCHES MAXIMUM IN
  • Mounting Facility Quantity: 8 SINGLE GROUP
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-969-8808, 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 Electronic Transformer Corp Div Electronic Transformer Corporation. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5950-00-969-8808
Primary Part NumberST1403
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerElectronic Transformer Corp Div Electronic Transformer Corporation
StatusACTIVE
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Thread Quantity Per Inch32 SINGLE GROUP
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Body Height3.812 INCHES MAXIMUM IN
Mounting Facility Quantity8 SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length2.750 INCHES MAXIMUM IN
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Width1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage40.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Width2.375 INCHES MAXIMUM IN
Winding Operating Current300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity4 SOLDER STUD
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-032-815726501 INTERCHANGEABLE
Seal,rubber,fuel
Parker Hannifin Corporation Div Aerospace Group Headquarters
6250-00-249-6586 INTERCHANGEABLE
Lampholder
4940-00-287-321726-501 INTERCHANGEABLE
Cutter,milling,commutator Mica
Ideal Industries, Inc.
4720-00-287-862026501 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5985-00-868-3391M-2650-1 INTERCHANGEABLE
Coupler,directional
Ulmer Charles Inc
7490-00-955-847626501 INTERCHANGEABLE
Rubber,trip Press
Pitney Bowes Inc.
5325-01-123-6685947811 INTERCHANGEABLE
Insert,screw Thread
Jergens Inc Div Tooling Components Division
Cross-Reference Index
Part NumberManufacturer
10049877 Us Army Aviation and Missile Command (USA)
26501 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
ST1403 PRIMARY Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
Related Parts
5330-00-032-8157INTERCHANGEABLE
SEAL,RUBBER,FUEL
26501
6250-00-249-6586INTERCHANGEABLE
LAMPHOLDER
4940-00-287-3217INTERCHANGEABLE
CUTTER,MILLING,COMMUTATOR MICA
26-501
4720-00-287-8620INTERCHANGEABLE
HOSE,PREFORMED
26501
5985-00-868-3391INTERCHANGEABLE
COUPLER,DIRECTIONAL
M-2650-1
7490-00-955-8476INTERCHANGEABLE
RUBBER,TRIP PRESS
26501
5325-01-123-6685INTERCHANGEABLE
INSERT,SCREW THREAD
947811

Frequently Asked Questions

What is NSN 5950-00-969-8808?

NSN 5950-00-969-8808 is a Transformer,power, manufactured by Electronic Transformer Corp Div Electronic Transformer Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-969-8808?

NSN 5950-00-969-8808 has 3 cross-referenced part numbers: 10049877 (Us Army Aviation and Missile Command), 26501 (Electronic Transformer Corp Div Electronic Transformer Corporation), ST1403 (Electronic Transformer Corp Div Electronic Transformer Corporation).

What NSN replaces 5950-00-969-8808?

There are 7 known substitutes for 5950-00-969-8808: 5330-00-032-8157, 6250-00-249-6586, 4940-00-287-3217 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ST1403?

Key specifications for ST1403: Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Overall Height: 4.438 INCHES MAXIMUM IN; Reliability Indicator: NOT ESTABLISHED; Thread Quantity Per Inch: 32 SINGLE GROUP. 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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