PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

143073Transformer,power

Northrop Grumman Systems Corporation · NSN 5950-01-017-0769 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-017-0769 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-017-0769. Primary manufacturer part number: 143073.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Height: 4.312 INCHES NOMINAL IN
  • Winding Operating Voltage: 9.12 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 9 SECONDARY SINGLE COMPONENT
  • Winding Operating Current: 13.0 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Winding Operating Voltage: 15.70 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
  • Nominal Thread Size: 0.190 INCHES SINGLE GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-017-0769, 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. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5950-01-017-0769
Primary Part Number143073
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Height4.312 INCHES NOMINAL IN
Winding Operating Voltage9.12 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Function and Quantity1 PRIMARY AND 9 SECONDARY SINGLE COMPONENT
Winding Operating Current13.0 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage15.70 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Transformer Winding Connection TypeDELTA-WYE
Terminal Type and Quantity6 THREADED STUD AND 26 TURRET
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipTHREE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Width5.062 INCHES NOMINAL IN
Winding Operating Voltage4.70 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Body Length6.438 INCHES NOMINAL IN
Winding Operating Current1.5 AMPERES DC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Winding Operating Current5.0 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current1.5 AMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Width3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage15.70 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Thread Series DesignatorUNF SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length5.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage81.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-166-1029 INTERCHANGEABLE
Resistor,decade
5940-00-192-99621390 INTERCHANGEABLE
Terminal Board
Birnbach Co Inc
5977-00-233-1046MAW-12 INTERCHANGEABLE
Brush,electrical Contact
Prestolite Electric Inc
6110-00-236-4139 INTERCHANGEABLE
Controller,motor
1650-00-237-1539DS-934286 INTERCHANGEABLE
Ring,mating
Eaton Aerospace, Llc Dba Jackson South
5930-00-259-7167 INTERCHANGEABLE
Switch,rotary
5365-00-560-8091143073 INTERCHANGEABLE
Spacer,plate
Telemechanics Inc
5325-00-765-8090 INTERCHANGEABLE
Ring,retaining
6685-00-833-6914 INTERCHANGEABLE
Thermostat,flow Control
5905-00-846-1089247E5R05 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Sprague Electric Co World Hqs
Cross-Reference Index
Part NumberManufacturer
4749 Precision Electronics, Inc (USA)
C10313 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
143073 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
6625-00-166-1029INTERCHANGEABLE
RESISTOR,DECADE
5940-00-192-9962INTERCHANGEABLE
TERMINAL BOARD
1390
5977-00-233-1046INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
MAW-12
6110-00-236-4139INTERCHANGEABLE
CONTROLLER,MOTOR
1650-00-237-1539INTERCHANGEABLE
RING,MATING
DS-934286
5930-00-259-7167INTERCHANGEABLE
SWITCH,ROTARY
5365-00-560-8091INTERCHANGEABLE
SPACER,PLATE
143073
5325-00-765-8090INTERCHANGEABLE
RING,RETAINING
6685-00-833-6914INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
5905-00-846-1089INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
247E5R05
4710-00-858-0437INTERCHANGEABLE
TUBE,METALLIC
4749
5120-01-400-0225INTERCHANGEABLE
HANDLE,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5950-01-017-0769?

NSN 5950-01-017-0769 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-017-0769?

NSN 5950-01-017-0769 has 3 cross-referenced part numbers: 4749 (Precision Electronics, Inc), C10313 (Electronic Transformer Corp Div Electronic Transformer Corporation), 143073 (Northrop Grumman Systems Corporation).

What NSN replaces 5950-01-017-0769?

There are 12 known substitutes for 5950-01-017-0769: 6625-00-166-1029, 5940-00-192-9962, 5977-00-233-1046 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 143073?

Key specifications for 143073: Reliability Indicator: NOT ESTABLISHED; Body Height: 4.312 INCHES NOMINAL IN; Winding Operating Voltage: 9.12 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY; Winding Function and Quantity: 1 PRIMARY AND 9 SECONDARY SINGLE COMPONENT. 27 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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