PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TR1286CHANGEDTransformer,power

Bae Systems Information and Electronic Systems Integration Inc. · NSN 5950-00-647-7201 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-647-7201 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-647-7201. Primary manufacturer part number: TR1286CHANGED.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Width: 3.562 INCHES NOMINAL IN
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Body Height: 4.250 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 6 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 5950-00-647-7201, 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 Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 18 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: Active.

Technical Specifications
ParameterValue
NSN5950-00-647-7201
Primary Part NumberTR1286CHANGED
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Width3.562 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Body Height4.250 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 6 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity14 STANDOFF INSULATOR
Frequency Rating47.0 HERTZ MINIMUM AND 1.8 KILOHERTZ MAXIMUM SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length4.062 INCHES NOMINAL IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Thread Quantity Per Inch20 SINGLE GROUP
Maximum Operating Temp85.0 CELSIUS DEGC
Inclosure TypeHERMETICALLY SEALED
Nominal Thread Size0.250 INCHES SINGLE GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5940-00-143-4774MS25036-153 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5315-00-222-71415315H23-000 INTERCHANGEABLE
Pin,straight,headless
Us Army Aviation and Missile Command
5210-00-267-3372277-2 INTERCHANGEABLE
Dividers,mechanics'
L.s. Starrett Company (the) Div Tool Division
5325-00-270-8889 INTERCHANGEABLE
Grommet,nonmetallic
3820-00-569-0700 INTERCHANGEABLE
Yoke,clutch
6150-01-157-13312772 INTERCHANGEABLE
Wiring Harness
Jacobs Mfg Co the
5955-01-361-8524 INTERCHANGEABLE
Oscillator,crystal Controlled
5895-01-440-70162772 INTERCHANGEABLE
Cover,electronic Communication E
Acr Electronics, Inc. Dba Acr Electronics Inc
Cross-Reference Index
Part NumberManufacturer
TR1286CHANGED Bae Systems Information and Electronic Systems Integration Inc. (USA)
2772 Transformionics Inc (USA)
Related Parts
5940-00-143-4774INTERCHANGEABLE
TERMINAL,LUG
MS25036-153
5315-00-222-7141INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315H23-000
5210-00-267-3372INTERCHANGEABLE
DIVIDERS,MECHANICS'
277-2
5325-00-270-8889INTERCHANGEABLE
GROMMET,NONMETALLIC
3820-00-569-0700INTERCHANGEABLE
YOKE,CLUTCH
6150-01-157-1331INTERCHANGEABLE
WIRING HARNESS
2772
5955-01-361-8524INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
5895-01-440-7016INTERCHANGEABLE
COVER,ELECTRONIC COMMUNICATION E
2772

Frequently Asked Questions

What is NSN 5950-00-647-7201?

NSN 5950-00-647-7201 is a Transformer,power, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-647-7201?

NSN 5950-00-647-7201 has 2 cross-referenced part numbers: TR1286CHANGED (Bae Systems Information and Electronic Systems Integration Inc.), 2772 (Transformionics Inc).

What NSN replaces 5950-00-647-7201?

There are 8 known substitutes for 5950-00-647-7201: 5940-00-143-4774, 5315-00-222-7141, 5210-00-267-3372 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TR1286CHANGED?

Key specifications for TR1286CHANGED: Reliability Indicator: NOT ESTABLISHED; Body Width: 3.562 INCHES NOMINAL IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Center to Center Distance Between Mounting Facilities Parallel to Width: 2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com