PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81579Transformer,power

Cae Usa Inc. · NSN 5950-00-646-4149 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-646-4149 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-646-4149. Primary manufacturer part number: 81579.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Winding Operating Current: 150.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Inclosure Type: FULLY INCLOSED
  • Terminal Type and Quantity: 6 TAB, SOLDER LUG
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-646-4149, 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 Cae Usa Inc.. Government technical data includes 20 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-646-4149
Primary Part Number81579
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerCae Usa Inc.
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current150.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity6 TAB, SOLDER LUG
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length3.578 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Body Width4.375 INCHES NOMINAL IN
Winding Operating Current300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Thread Quantity Per Inch32 SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Height5.438 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Length4.250 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width3.453 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-256-3524609-0124-002 INTERCHANGEABLE
Reactor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5945-01-218-792584192-009 INTERCHANGEABLE
Relay,electromagnetic
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5836-01-686-4362 INTERCHANGEABLE
Windshield Wiper Assembly,camera
Cross-Reference Index
Part NumberManufacturer
81579 PRIMARY Cae Usa Inc. (USA)
81579 Raytheon Technical Services Company (USA)
B562 B G Laboratories Inc. (USA)
Related Parts
5950-00-256-3524INTERCHANGEABLE
REACTOR
609-0124-002
5945-01-218-7925INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
84192-009
5836-01-686-4362INTERCHANGEABLE
WINDSHIELD WIPER ASSEMBLY,CAMERA

Frequently Asked Questions

What is NSN 5950-00-646-4149?

NSN 5950-00-646-4149 is a Transformer,power, manufactured by Cae Usa Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-646-4149?

NSN 5950-00-646-4149 has 3 cross-referenced part numbers: 81579 (Cae Usa Inc.), 81579 (Raytheon Technical Services Company), B562 (B G Laboratories Inc.).

What NSN replaces 5950-00-646-4149?

There are 3 known substitutes for 5950-00-646-4149: 5950-00-256-3524, 5945-01-218-7925, 5836-01-686-4362. Verify interchangeability with system specifications before substitution.

What are the specifications of 81579?

Key specifications for 81579: Reliability Indicator: NOT ESTABLISHED; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Mounting Facility Quantity: 4 SINGLE GROUP; Winding Operating Current: 150.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY. 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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