PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

290798Transformer,power

Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc · NSN 5950-00-645-2751 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-2751 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-2751. Primary manufacturer part number: 290798.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Winding Operating Current: 5.2 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Terminal Type and Quantity: 11 STANDOFF INSULATOR
  • Winding Operating Voltage: 230.00 AC VOLTS NOMINAL AND 560.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-645-2751, 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 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-2751
Primary Part Number290798
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Current5.2 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Terminal Type and Quantity11 STANDOFF INSULATOR
Winding Operating Voltage230.00 AC VOLTS NOMINAL AND 560.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current150.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Body Height3.562 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length3.875 INCHES NOMINAL IN
Body Width2.875 INCHES NOMINAL IN
Thread Quantity Per Inch32 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Voltage105.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 125.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating50.0 HERTZ MINIMUM AND 65.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5365-00-792-90285116198 INTERCHANGEABLE
Spacer,plate
Rolls-Royce Solutions America Inc
2825-00-900-378533105 INTERCHANGEABLE
Valve,emergency,turbine
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5110-01-066-287033100 INTERCHANGEABLE
Cutting Wheel,pipe Cutter
Ridge Tool Company
4730-01-073-1699W-1737 INTERCHANGEABLE
Reducer,tube
Mueller Brass Co.
3110-01-143-62651025Z2360 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Morris Material Handling, Inc.
4820-01-158-918933105 INTERCHANGEABLE
Valve Assembly
Tate Andale, Llc
5110-01-366-8949 INTERCHANGEABLE
Chisel,cold,hand
6685-01-395-19743-310-5 INTERCHANGEABLE
Gage,compound Pressure-Vacuum-Te
Uma Inc
5365-01-436-374333105 INTERCHANGEABLE
Spacer,special Shaped
Eaton Aerospace Llc
4030-01-467-410333105 INTERCHANGEABLE
Swivel and Link Assembly
Mjt Holdings Llc
Cross-Reference Index
Part NumberManufacturer
290798 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
W1737 Cen Electronics a Div of Chloride Power Electronics Inc (USA)
P1-23345 Mte Corp Milwaukee Transformer Co (USA)
W2731 Cen Electronics a Div of Chloride Power Electronics Inc (USA)
290798-000 Stromberg-Carlson Corp a Plessey Telecommunications Co (USA)
P1-23345 Magnespec Inc (USA)
33105 Freed Transformer Co (USA)
Related Parts
5365-00-792-9028INTERCHANGEABLE
SPACER,PLATE
5116198
2825-00-900-3785INTERCHANGEABLE
VALVE,EMERGENCY,TURBINE
33105
5110-01-066-2870INTERCHANGEABLE
CUTTING WHEEL,PIPE CUTTER
33100
4730-01-073-1699INTERCHANGEABLE
REDUCER,TUBE
W-1737
3110-01-143-6265INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1025Z2360
4820-01-158-9189INTERCHANGEABLE
VALVE ASSEMBLY
33105
5110-01-366-8949INTERCHANGEABLE
CHISEL,COLD,HAND
6685-01-395-1974INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM-TE
3-310-5
5365-01-436-3743INTERCHANGEABLE
SPACER,SPECIAL SHAPED
33105
4030-01-467-4103INTERCHANGEABLE
SWIVEL AND LINK ASSEMBLY
33105
1680-01-545-5326INTERCHANGEABLE
IMPELLER,AIRCRAFT,M
6515-01-615-0423INTERCHANGEABLE
CABLE,VITAL SIGNS MONITOR
33105

Frequently Asked Questions

What is NSN 5950-00-645-2751?

NSN 5950-00-645-2751 is a Transformer,power, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-2751?

NSN 5950-00-645-2751 has 7 cross-referenced part numbers: 290798 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), W1737 (Cen Electronics a Div of Chloride Power Electronics Inc), P1-23345 (Mte Corp Milwaukee Transformer Co), W2731 (Cen Electronics a Div of Chloride Power Electronics Inc), 290798-000 (Stromberg-Carlson Corp a Plessey Telecommunications Co) and 2 more.

What NSN replaces 5950-00-645-2751?

There are 12 known substitutes for 5950-00-645-2751: 5365-00-792-9028, 2825-00-900-3785, 5110-01-066-2870 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 290798?

Key specifications for 290798: Reliability Indicator: NOT ESTABLISHED; Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT. 22 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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