PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

302603Transformer,power

Electronic Transformer Corp Div Electronic Transformer Corporation · NSN 5950-01-192-9918 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-192-9918 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-192-9918. Primary manufacturer part number: 302603.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 95.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Body Height: 4.000 INCHES NOMINAL IN
  • Winding Operating Voltage: 14.70 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
  • Mounting Facility Quantity: 4 FIRST GROUP
  • Mounting Method: UNTHREADED HOLE(S) ALL GROUPINGS
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Body Width: 4.700 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-192-9918, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5950-01-192-9918
Primary Part Number302603
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerElectronic Transformer Corp Div Electronic Transformer Corporation
StatusACTIVE
Winding Operating Voltage95.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Body Height4.000 INCHES NOMINAL IN
Winding Operating Voltage14.70 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Mounting Facility Quantity4 FIRST GROUP
Mounting MethodUNTHREADED HOLE(S) ALL GROUPINGS
Frequency Rating50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
Body Width4.700 INCHES NOMINAL IN
Winding Operating Current2.1 AMPERES DC NOMINAL SINGLE COMPONENT SECOND SECONDARY
Distance Between Mounting Facility Centers4.100 INCHES NOMINAL SINGLE MOUNTING FACILITY SECOND CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Winding Operating Current100.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Winding Operating Current100.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT THIRD SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length4.100 INCHES NOMINAL SINGLE MOUNTING FACILITY FIRST CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width3.750 INCHES NOMINAL SINGLE MOUNTING FACILITY FIRST CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity2 SECOND GROUP
Winding Operating Voltage14.70 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Winding Operating Current1.0 AMPERES DC NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Winding Operating Voltage72.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Hole Diameter0.307 INCHES MINIMUM AND 0.318 INCHES MAXIMUM ALL GROUPINGS IN
Body Length4.800 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Terminal Type and Quantity11 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4240-00-168-2039302603 INTERCHANGEABLE
Valve Vent
Mine Safety Appliances Company
3110-00-374-2044302603 INTERCHANGEABLE
Retainer,roller,bearing
Brp Us Inc
6680-00-581-8656300B INTERCHANGEABLE
Indicator,liquid Quantity
Stewart-Warner Corporation
Cross-Reference Index
Part NumberManufacturer
302603 PRIMARY Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
Related Parts
4240-00-168-2039INTERCHANGEABLE
VALVE VENT
302603
3110-00-374-2044INTERCHANGEABLE
RETAINER,ROLLER,BEARING
302603
6680-00-581-8656INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY
300B

Frequently Asked Questions

What is NSN 5950-01-192-9918?

NSN 5950-01-192-9918 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 5950-01-192-9918?

NSN 5950-01-192-9918 has 1 cross-referenced part number: 302603 (Electronic Transformer Corp Div Electronic Transformer Corporation).

What NSN replaces 5950-01-192-9918?

There are 3 known substitutes for 5950-01-192-9918: 4240-00-168-2039, 3110-00-374-2044, 6680-00-581-8656. Verify interchangeability with system specifications before substitution.

What are the specifications of 302603?

Key specifications for 302603: Winding Operating Voltage: 95.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Body Height: 4.000 INCHES NOMINAL IN; Winding Operating Voltage: 14.70 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY; Mounting Facility Quantity: 4 FIRST GROUP. 26 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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