PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7648745P001Transformer,power Autotransforme

Lockheed Martin Corporation Div Rms · NSN 5950-00-943-1250 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-943-1250 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-943-1250. Primary manufacturer part number: 7648745P001.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Thread Series Designator: UNF SINGLE GROUP
  • Terminal Type and Quantity: 3 TERMINAL BLOCK W/SCREWS
  • Winding Function and Quantity: 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
  • Winding Operating Current: 2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
  • Body Height: 15.375 INCHES MAXIMUM IN
  • Inclosure Type: OPEN
  • Body Width: 5.500 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-943-1250, 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. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-943-1250
Primary Part Number7648745P001
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Thread Series DesignatorUNF SINGLE GROUP
Terminal Type and Quantity3 TERMINAL BLOCK W/SCREWS
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Winding Operating Current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Body Height15.375 INCHES MAXIMUM IN
Inclosure TypeOPEN
Body Width5.500 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Width3.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage240.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Body Length7.000 INCHES MAXIMUM IN
Thread Quantity Per Inch28 SINGLE GROUP
Frequency Rating54.0 HERTZ MINIMUM AND 66.0 HERTZ MAXIMUM SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage0.00 AC VOLTS MINIMUM AND 240.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length3.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.250 INCHES SINGLE GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-012-494912220P11 INTERCHANGEABLE
Nut,plain,hexagon
Taylor Machine Works Inc
6550-00-133-1075211043 INTERCHANGEABLE
Culture Medium,soybean-Casein Di
Becton, Dickinson and Company Dba Becton Dickinson & Co
5999-00-234-5853211043PT6 INTERCHANGEABLE
Contact,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3040-01-167-26792-11043 INTERCHANGEABLE
Brake Drum
Maytag Corporation Dba Maytag Appliancessales
Cross-Reference Index
Part NumberManufacturer
21-1043 Superior Electric Holding Group Llc Div Specialty Product Technologies (USA)
7648745P001 PRIMARY Lockheed Martin Corporation Div Rms (USA)
Related Parts
5310-00-012-4949INTERCHANGEABLE
NUT,PLAIN,HEXAGON
12220P11
6550-00-133-1075INTERCHANGEABLE
CULTURE MEDIUM,SOYBEAN-CASEIN DI
211043
5999-00-234-5853INTERCHANGEABLE
CONTACT,ELECTRICAL
211043PT6
3040-01-167-2679INTERCHANGEABLE
BRAKE DRUM
2-11043

Frequently Asked Questions

What is NSN 5950-00-943-1250?

NSN 5950-00-943-1250 is a Transformer,power Autotransforme, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-943-1250?

NSN 5950-00-943-1250 has 2 cross-referenced part numbers: 21-1043 (Superior Electric Holding Group Llc Div Specialty Product Technologies), 7648745P001 (Lockheed Martin Corporation Div Rms).

What NSN replaces 5950-00-943-1250?

There are 4 known substitutes for 5950-00-943-1250: 5310-00-012-4949, 6550-00-133-1075, 5999-00-234-5853 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7648745P001?

Key specifications for 7648745P001: Thread Series Designator: UNF SINGLE GROUP; Terminal Type and Quantity: 3 TERMINAL BLOCK W/SCREWS; Winding Function and Quantity: 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT; Winding Operating Current: 2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT. 19 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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