PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

900123-144Transformer,power

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5950-00-045-8440 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-045-8440 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-045-8440. Primary manufacturer part number: 900123-144.
Features
  • Transformer,power — FSC 5950
  • Body Width: 1.250 INCHES NOMINAL IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Inclosure Type: FULLY INCLOSED
  • Winding Operating Current: 0.57 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-045-8440, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-045-8440
Primary Part Number900123-144
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusCANCELLED
Body Width1.250 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeFULLY INCLOSED
Winding Operating Current0.57 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Frequency Rating420.0 HERTZ MAXIMUM SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Body Length1.700 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Width0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Voltage26.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Body Height1.250 INCHES NOMINAL IN
Terminal Type and Quantity4 TURRET
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
3110-00-100-313713889 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5950-00-276-5449005609 INTERCHANGEABLE
Reactor
Ge Aviation Systems Llc
5340-00-314-1636200413171-01 INTERCHANGEABLE
Holder,spring
Warner Robins Air Logistics Center
5999-00-772-19436307-3251505REV0ITEM3A INTERCHANGEABLE
Contact,electrical
Naval Ship Systems Command
5935-01-029-075470-233-1 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
5330-01-180-461470233 INTERCHANGEABLE
Gasket
Muirhead Aerospace Ltd
5310-01-201-352070233 INTERCHANGEABLE
Washer,lock
Cummins Inc.
4720-01-354-03443020639080808-23.00 INTERCHANGEABLE
Hose Assembly,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
3110-01-424-7003 INTERCHANGEABLE
Bearing,roller,cylindrical
5120-01-434-9586 INTERCHANGEABLE
Punch,center,solid
Cross-Reference Index
Part NumberManufacturer
13889 Robert M. Hadley Company, Inc. (USA)
70233 Magnetek Inc Huntington Div (USA)
16P57 A.e.york, Llc (USA)
900123-144 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
70233 Magnetek Inc Lighting Products Group (USA)
Related Parts
3110-00-100-3137INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
13889
5950-00-276-5449INTERCHANGEABLE
REACTOR
005609
5340-00-314-1636INTERCHANGEABLE
HOLDER,SPRING
200413171-01
5999-00-772-1943INTERCHANGEABLE
CONTACT,ELECTRICAL
6307-3251505REV0ITEM3A
5935-01-029-0754INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
70-233-1
5330-01-180-4614INTERCHANGEABLE
GASKET
70233
5310-01-201-3520INTERCHANGEABLE
WASHER,LOCK
70233
4720-01-354-0344INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
3020639080808-23.00
3110-01-424-7003INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
5120-01-434-9586INTERCHANGEABLE
PUNCH,CENTER,SOLID
5340-01-553-1730INTERCHANGEABLE
BUMPER
013553

Frequently Asked Questions

What is NSN 5950-00-045-8440?

NSN 5950-00-045-8440 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-045-8440?

NSN 5950-00-045-8440 has 5 cross-referenced part numbers: 13889 (Robert M. Hadley Company, Inc.), 70233 (Magnetek Inc Huntington Div), 16P57 (A.e.york, Llc), 900123-144 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 70233 (Magnetek Inc Lighting Products Group).

What NSN replaces 5950-00-045-8440?

There are 11 known substitutes for 5950-00-045-8440: 3110-00-100-3137, 5950-00-276-5449, 5340-00-314-1636 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 900123-144?

Key specifications for 900123-144: Body Width: 1.250 INCHES NOMINAL IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Inclosure Type: FULLY INCLOSED. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-045-8440 still in active supply?

NSN 5950-00-045-8440 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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