PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

518659Transformer,power Autotransforme

Instruments and Flight Research, Inc. · NSN 5950-00-965-5003 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-965-5003 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-965-5003. Primary manufacturer part number: 518659.
Features
  • Transformer,power Autotransforme — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Winding Operating Voltage: 26.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.390 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Frequency Rating: 400.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Body Height: 3.000 INCHES NOMINAL IN
  • Body Width: 2.130 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-965-5003, 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 Instruments and Flight Research, Inc.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-965-5003
Primary Part Number518659
Item NameTransformer,power Autotransforme
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerInstruments and Flight Research, Inc.
StatusCANCELLED
Reliability IndicatorNOT ESTABLISHED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage26.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Center to Center Distance Between Mounting Facilities Parallel to Length1.390 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating400.0 HERTZ MAXIMUM SINGLE COMPONENT
Body Height3.000 INCHES NOMINAL IN
Body Width2.130 INCHES NOMINAL IN
Body Length2.880 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width2.110 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity3 SOLDER STUD
Winding Power Rating200.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT
Winding Operating Current7.2 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT
Inclosure TypeFULLY INCLOSED
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
9540-00-264-0265 INTERCHANGEABLE
Angle,structural
5305-00-285-55786746 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
5355-00-667-6723 INTERCHANGEABLE
Knob
9540-01-165-4398 INTERCHANGEABLE
Angle,structural
3530-01-174-44006746 INTERCHANGEABLE
Needle,sewing Machine
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
3040-01-217-56996746 INTERCHANGEABLE
Lever,manual Control
Danfoss Power Solutions II, Llc
2040-01-500-65596746 INTERCHANGEABLE
Panel,floor,watercraft
Zodiac of North America, Inc. Dba Zodiac of North America Inc Div Milpro
5355-01-649-4961 INTERCHANGEABLE
Knob
Cross-Reference Index
Part NumberManufacturer
518659 PRIMARY Instruments and Flight Research, Inc. (USA)
6746 Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
Related Parts
9540-00-264-0265INTERCHANGEABLE
ANGLE,STRUCTURAL
5305-00-285-5578INTERCHANGEABLE
SCREW,MACHINE
6746
5355-00-667-6723INTERCHANGEABLE
KNOB
9540-01-165-4398INTERCHANGEABLE
ANGLE,STRUCTURAL
3530-01-174-4400INTERCHANGEABLE
NEEDLE,SEWING MACHINE
6746
3040-01-217-5699INTERCHANGEABLE
LEVER,MANUAL CONTROL
6746
2040-01-500-6559INTERCHANGEABLE
PANEL,FLOOR,WATERCRAFT
6746
5355-01-649-4961INTERCHANGEABLE
KNOB

Frequently Asked Questions

What is NSN 5950-00-965-5003?

NSN 5950-00-965-5003 is a Transformer,power Autotransforme, manufactured by Instruments and Flight Research, Inc., classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-965-5003?

NSN 5950-00-965-5003 has 2 cross-referenced part numbers: 518659 (Instruments and Flight Research, Inc.), 6746 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems).

What NSN replaces 5950-00-965-5003?

There are 8 known substitutes for 5950-00-965-5003: 9540-00-264-0265, 5305-00-285-5578, 5355-00-667-6723 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 518659?

Key specifications for 518659: Reliability Indicator: NOT ESTABLISHED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Winding Operating Voltage: 26.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.390 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-965-5003 still in active supply?

NSN 5950-00-965-5003 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.
PartsTable Design LLC · partstable.com