PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

671991Transformer,power

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-00-419-7592 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-419-7592 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-419-7592. Primary manufacturer part number: 671991.
Features
  • Transformer,power — FSC 5950
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Body Height: 3.500 INCHES NOMINAL IN
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY 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 5950-00-419-7592, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 20 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-419-7592
Primary Part Number671991
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Height3.500 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current170.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Distance Between Mounting Facility Centers1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Power Rating2.5 WATTS SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity7 WIRE HOOK
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage6.40 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Body Length1.750 INCHES NOMINAL IN
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Body Width1.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-01-124-2171 INTERCHANGEABLE
Plug,pipe
Cross-Reference Index
Part NumberManufacturer
671991 Raytheon Company Div Corp (USA)
D175489 American Telephone and Telegraph Co (USA)
671991 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
671991 Northrop Grumman Systems Corporation (USA)
Related Parts
4730-01-124-2171INTERCHANGEABLE
PLUG,PIPE

Frequently Asked Questions

What is NSN 5950-00-419-7592?

NSN 5950-00-419-7592 is a Transformer,power, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-419-7592?

NSN 5950-00-419-7592 has 4 cross-referenced part numbers: 671991 (Raytheon Company Div Corp), D175489 (American Telephone and Telegraph Co), 671991 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 671991 (Northrop Grumman Systems Corporation).

What NSN replaces 5950-00-419-7592?

There is 1 known substitute for 5950-00-419-7592: 4730-01-124-2171. Verify interchangeability with system specifications before substitution.

What are the specifications of 671991?

Key specifications for 671991: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Body Height: 3.500 INCHES NOMINAL IN; Mounting Method: THREADED STUD(S) SINGLE GROUP. 20 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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