PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

905258-1Transformer,power

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5950-00-233-7651 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-233-7651 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-233-7651. Primary manufacturer part number: 905258-1.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 34.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Winding Operating Current: 1.0 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Reliability Indicator: NOT ESTABLISHED
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Operating Voltage: 102.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-233-7651, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
NSN5950-00-233-7651
Primary Part Number905258-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Winding Operating Voltage34.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current1.0 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Reliability IndicatorNOT ESTABLISHED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage102.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Body Outside Diameter1.600 INCHES MAXIMUM IN
Winding Operating Voltage63.20 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Inclosure TypeFULLY INCLOSED
Body Length1.000 INCHES MAXIMUM IN
Winding Operating Current3.5 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Mounting Facility Quantity1 SINGLE GROUP
Frequency Rating50.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Mounting Hole Diameter0.119 INCHES MINIMUM AND 0.124 INCHES MAXIMUM SINGLE GROUP IN
Terminal Type and Quantity9 TURRET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-062-0721 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
4820-00-140-97711707 INTERCHANGEABLE
Valve,relief,pressure and Temper
Pneudraulics, Inc.
5977-00-142-45101707 INTERCHANGEABLE
Brush,electrical Contact
Bosch Security Systems, Llc
5110-00-221-1085207 INTERCHANGEABLE
Shears,metal Cutting,hand
Stanley Tools Div of Stanley Works
5950-00-268-895917889 INTERCHANGEABLE
Coil,radio Frequency
Freed Transformer Co
5315-00-276-40901707A INTERCHANGEABLE
Pin,straight,headed
Brinkley Technology Group Llc Dba Hercules Manufacturing
5120-00-277-1249 INTERCHANGEABLE
Wrench,open End
5330-00-318-637452860060 INTERCHANGEABLE
Packing
Cooper Machinery Services Llc
5975-00-521-38281707 INTERCHANGEABLE
Disc Cover
Abb Installation Products Inc
5950-00-527-9075 INTERCHANGEABLE
Transformer,audio Frequency
Cross-Reference Index
Part NumberManufacturer
1707 Magnespec Inc (USA)
16T110 A.e.york, Llc (USA)
70852 Magnetek Inc Huntington Div (USA)
905258-1 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
17889 Torotel, Inc. Div Torotel Products, Inc. (USA)
TE13106 Transformer Engineers Co a Div of Standard Industries Inc (USA)
Related Parts
5905-00-062-0721INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4820-00-140-9771INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER
1707
5977-00-142-4510INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
1707
5110-00-221-1085INTERCHANGEABLE
SHEARS,METAL CUTTING,HAND
207
5950-00-268-8959INTERCHANGEABLE
COIL,RADIO FREQUENCY
17889
5315-00-276-4090INTERCHANGEABLE
PIN,STRAIGHT,HEADED
1707A
5120-00-277-1249INTERCHANGEABLE
WRENCH,OPEN END
5330-00-318-6374INTERCHANGEABLE
PACKING
52860060
5975-00-521-3828INTERCHANGEABLE
DISC COVER
1707
5950-00-527-9075INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
3110-00-580-3069INTERCHANGEABLE
BEARING,BALL,ANNULAR
205154
5826-00-701-4783INTERCHANGEABLE
COUPLING

Frequently Asked Questions

What is NSN 5950-00-233-7651?

NSN 5950-00-233-7651 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-233-7651?

NSN 5950-00-233-7651 has 6 cross-referenced part numbers: 1707 (Magnespec Inc), 16T110 (A.e.york, Llc), 70852 (Magnetek Inc Huntington Div), 905258-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 17889 (Torotel, Inc. Div Torotel Products, Inc.) and 1 more.

What NSN replaces 5950-00-233-7651?

There are 12 known substitutes for 5950-00-233-7651: 5905-00-062-0721, 4820-00-140-9771, 5977-00-142-4510 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 905258-1?

Key specifications for 905258-1: Winding Operating Voltage: 34.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Winding Operating Current: 1.0 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY; Reliability Indicator: NOT ESTABLISHED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 16 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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