PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

900123-123Transformer,power

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5950-00-757-7659 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-757-7659 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-757-7659. Primary manufacturer part number: 900123-123.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Winding Operating Voltage: 21.60 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Inclosure Type: HERMETICALLY SEALED
  • Body Height: 1.125 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-757-7659, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-757-7659
Primary Part Number900123-123
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Voltage21.60 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeHERMETICALLY SEALED
Body Height1.125 INCHES MAXIMUM IN
Body Width2.000 INCHES MAXIMUM IN
Body Length2.000 INCHES MAXIMUM IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Maximum Operating Temp95.0 CELSIUS DEGC
Center to Center Distance Between Mounting Facilities Parallel to Length0.874 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity8 SOLDER STUD
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.470 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Input-Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
Winding Operating Current410.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Thread Quantity Per Inch40 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4510-00-256-263925734 INTERCHANGEABLE
Spout,diverter,bath Tub
Chatham Brass Co Inc
5975-00-657-1544 INTERCHANGEABLE
Splice Sealing Kit
4920-00-757-39308962 INTERCHANGEABLE
Post,standoff,signa
Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto
3110-01-128-0277B-308 INTERCHANGEABLE
Bearing,roller,needle
Jtekt Bearings North America Llc Div Kbna - Ord 1
4820-01-158-85794915569-0 INTERCHANGEABLE
Valve,safety Relief
Kalmar AC Inc
4520-01-221-9206195300 INTERCHANGEABLE
Heating Element,electrical,nonim
Low Temp Industries, Inc. Dba Low Temp Industries Inc
5950-01-276-3667L11-0004-002 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
Cross-Reference Index
Part NumberManufacturer
900123-123 Robert M. Hadley Company, Inc. (USA)
900123-123 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
16P36 A.e.york, Llc (USA)
8962 Magnetek Inc Huntington Div (USA)
Related Parts
4510-00-256-2639INTERCHANGEABLE
SPOUT,DIVERTER,BATH TUB
25734
5975-00-657-1544INTERCHANGEABLE
SPLICE SEALING KIT
4920-00-757-3930INTERCHANGEABLE
POST,STANDOFF,SIGNA
8962
3110-01-128-0277INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
B-308
4820-01-158-8579INTERCHANGEABLE
VALVE,SAFETY RELIEF
4915569-0
4520-01-221-9206INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
195300
5950-01-276-3667INTERCHANGEABLE
COIL,RADIO FREQUENCY
L11-0004-002

Frequently Asked Questions

What is NSN 5950-00-757-7659?

NSN 5950-00-757-7659 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 5950-00-757-7659?

NSN 5950-00-757-7659 has 4 cross-referenced part numbers: 900123-123 (Robert M. Hadley Company, Inc.), 900123-123 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 16P36 (A.e.york, Llc), 8962 (Magnetek Inc Huntington Div).

What NSN replaces 5950-00-757-7659?

There are 7 known substitutes for 5950-00-757-7659: 4510-00-256-2639, 5975-00-657-1544, 4920-00-757-3930 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 900123-123?

Key specifications for 900123-123: Reliability Indicator: NOT ESTABLISHED; Mounting Method: THREADED STUD(S) SINGLE GROUP; Winding Operating Voltage: 21.60 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 21 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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