PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

647747Transformer,power

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5950-00-193-8512 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-193-8512 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-193-8512. Primary manufacturer part number: 647747.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 365.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 175.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Operating Voltage: 50.00 AC VOLTS NOMINAL AND 55.00 AC VOLTS NOMINAL AND 60.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
  • Winding Operating Voltage: 6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-193-8512, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 23 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-193-8512
Primary Part Number647747
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusCANCELLED
Winding Operating Voltage365.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Frequency Rating175.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage50.00 AC VOLTS NOMINAL AND 55.00 AC VOLTS NOMINAL AND 60.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height4.594 INCHES NOMINAL IN
Winding Operating Voltage150.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Inclosure TypeHERMETICALLY SEALED
Winding Function and Quantity2 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Body Length4.234 INCHES NOMINAL IN
Nominal Thread Size0.250 INCHES SINGLE GROUP IN
Body Width4.844 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Current10.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current150.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Thread Quantity Per Inch20 SINGLE GROUP
Winding Operating Current3.5 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Terminal Type and Quantity14 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3110-00-155-964522171 INTERCHANGEABLE
Bearing,ball,annular
Raytheon Company Dba Raytheon
5925-00-454-8068EE3 INTERCHANGEABLE
Circuit Breaker Box
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
5310-00-785-103699121 INTERCHANGEABLE
Washer,flat
Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
Cross-Reference Index
Part NumberManufacturer
L226 Inrcore, Llc Div Inrcore (USA)
EE3 Ferranti Electric Inc (USA)
647747 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
3110-00-155-9645INTERCHANGEABLE
BEARING,BALL,ANNULAR
22171
5925-00-454-8068INTERCHANGEABLE
CIRCUIT BREAKER BOX
EE3
5310-00-785-1036INTERCHANGEABLE
WASHER,FLAT
99121

Frequently Asked Questions

What is NSN 5950-00-193-8512?

NSN 5950-00-193-8512 is a Transformer,power, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-193-8512?

NSN 5950-00-193-8512 has 3 cross-referenced part numbers: L226 (Inrcore, Llc Div Inrcore), EE3 (Ferranti Electric Inc), 647747 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 5950-00-193-8512?

There are 3 known substitutes for 5950-00-193-8512: 3110-00-155-9645, 5925-00-454-8068, 5310-00-785-1036. Verify interchangeability with system specifications before substitution.

What are the specifications of 647747?

Key specifications for 647747: Winding Operating Voltage: 365.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY; Mounting Facility Quantity: 4 SINGLE GROUP; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-193-8512 still in active supply?

NSN 5950-00-193-8512 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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