PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A144-69Transformer,power

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 5950-00-243-5805 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-243-5805 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-243-5805. Primary manufacturer part number: A144-69.
Features
  • Transformer,power — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 6.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Mounting Hole Diameter: 0.375 INCHES NOMINAL SINGLE GROUP IN
  • Terminal Type and Quantity: 9 SOLDER STUD
  • Winding Operating Voltage: 2.26 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Frequency Rating: 55.0 HERTZ MINIMUM AND 65.0 HERTZ MAXIMUM SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-243-5805, 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 Div Multiple. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN5950-00-243-5805
Primary Part NumberA144-69
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusACTIVE
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width6.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Mounting Hole Diameter0.375 INCHES NOMINAL SINGLE GROUP IN
Terminal Type and Quantity9 SOLDER STUD
Winding Operating Voltage2.26 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Frequency Rating55.0 HERTZ MINIMUM AND 65.0 HERTZ MAXIMUM SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage105.00 AC VOLTS NOMINAL AND 110.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL AND 125.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Length10.000 INCHES NOMINAL IN
Winding Operating Current400.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Center to Center Distance Between Mounting Facilities Parallel to Length5.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-647-5494763694 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5962-01-201-404942939 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5120-01-398-9138 INTERCHANGEABLE
Wrench,box and Open End,combinat
5330-01-462-778442939 INTERCHANGEABLE
Seal,plain
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
A144-69 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
A144-69 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
L858 PRIMARY Inrcore, Llc Div Inrcore (USA)
S12941 PRIMARY Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
42939 Scomill Inc (USA)
A144-69 Scomill Inc (USA)
Related Parts
5950-00-647-5494INTERCHANGEABLE
TRANSFORMER,POWER
763694
5962-01-201-4049INTERCHANGEABLE
MICROCIRCUIT,MEMORY
42939
5120-01-398-9138INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5330-01-462-7784INTERCHANGEABLE
SEAL,PLAIN
42939

Frequently Asked Questions

What is NSN 5950-00-243-5805?

NSN 5950-00-243-5805 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-243-5805?

NSN 5950-00-243-5805 has 6 cross-referenced part numbers: A144-69 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), A144-69 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), L858 (Inrcore, Llc Div Inrcore), S12941 (Electronic Transformer Corp Div Electronic Transformer Corporation), 42939 (Scomill Inc) and 1 more.

What NSN replaces 5950-00-243-5805?

There are 4 known substitutes for 5950-00-243-5805: 5950-00-647-5494, 5962-01-201-4049, 5120-01-398-9138 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A144-69?

Key specifications for A144-69: Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Overall Height: 6.875 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 6.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Overall Width: 8.375 INCHES NOMINAL IN. 18 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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