PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70412Transformer,power

Square D Co Epe/topaz · NSN 5950-00-645-1807 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-1807 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-1807. Primary manufacturer part number: 70412.
Features
  • Transformer,power — FSC 5950
  • Body Length: 5.375 INCHES NOMINAL IN
  • Body Width: 4.000 INCHES NOMINAL IN
  • Winding Operating Voltage: 105.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 125.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Terminal Type and Quantity: 1 CONNECTOR, RECEPTACLE AND 4 WIRE LEAD
  • Body Height: 4.750 INCHES NOMINAL IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-645-1807, 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 Square D Co Epe/topaz. Government technical data includes 16 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-645-1807
Primary Part Number70412
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSquare D Co Epe/topaz
StatusCANCELLED
Body Length5.375 INCHES NOMINAL IN
Body Width4.000 INCHES NOMINAL IN
Winding Operating Voltage105.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 125.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity1 CONNECTOR, RECEPTACLE AND 4 WIRE LEAD
Body Height4.750 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width4.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating60.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current2.2 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Reliability IndicatorNOT ESTABLISHED
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3040-00-147-617270412 INTERCHANGEABLE
Shaft,shouldered
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5133-00-236-4048 INTERCHANGEABLE
Drill,twist
5315-00-352-0705196A INTERCHANGEABLE
Pin,straight,headed
Oshkosh Defense Llc
4820-00-771-458070412 INTERCHANGEABLE
Valve,gate
Cummins Inc.
1680-00-981-76527041-2 INTERCHANGEABLE
Actuator,electro-Mechanical,line
Cef Industries, Llc Dba Cef Industries Inc
6680-01-349-660470412 INTERCHANGEABLE
Indicator,sight,liquid
Setra Systems, Inc. Dba Gems Sensors
5331-01-533-897470412 INTERCHANGEABLE
O-Ring
Gage Bilt, Inc.
2090-01-645-1409P-6161 INTERCHANGEABLE
Middle Foam Flotation Block
Advanced Packaging Llc Dba Advanced Packaging Inc
Cross-Reference Index
Part NumberManufacturer
70412 Square D Co Epe/topaz (USA)
23V126 Thordarson Inc (USA)
P6161 Emerson Electric Co White-Rodgers Div (USA)
Related Parts
3040-00-147-6172INTERCHANGEABLE
SHAFT,SHOULDERED
70412
5133-00-236-4048INTERCHANGEABLE
DRILL,TWIST
5315-00-352-0705INTERCHANGEABLE
PIN,STRAIGHT,HEADED
196A
4820-00-771-4580INTERCHANGEABLE
VALVE,GATE
70412
1680-00-981-7652INTERCHANGEABLE
ACTUATOR,ELECTRO-MECHANICAL,LINE
7041-2
6680-01-349-6604INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
70412
5331-01-533-8974INTERCHANGEABLE
O-RING
70412
2090-01-645-1409INTERCHANGEABLE
MIDDLE FOAM FLOTATION BLOCK
P-6161

Frequently Asked Questions

What is NSN 5950-00-645-1807?

NSN 5950-00-645-1807 is a Transformer,power, manufactured by Square D Co Epe/topaz, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-645-1807?

NSN 5950-00-645-1807 has 3 cross-referenced part numbers: 70412 (Square D Co Epe/topaz), 23V126 (Thordarson Inc), P6161 (Emerson Electric Co White-Rodgers Div).

What NSN replaces 5950-00-645-1807?

There are 8 known substitutes for 5950-00-645-1807: 3040-00-147-6172, 5133-00-236-4048, 5315-00-352-0705 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 70412?

Key specifications for 70412: Body Length: 5.375 INCHES NOMINAL IN; Body Width: 4.000 INCHES NOMINAL IN; Winding Operating Voltage: 105.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 125.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Terminal Type and Quantity: 1 CONNECTOR, RECEPTACLE AND 4 WIRE LEAD. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-645-1807 still in active supply?

NSN 5950-00-645-1807 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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