PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2211559Transformer,power

L3harris Technologies, Inc. · NSN 5950-00-086-2779 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-086-2779 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-086-2779. Primary manufacturer part number: 2211559.
Features
  • Transformer,power — FSC 5950
  • Inclosure Type: HERMETICALLY SEALED
  • Body Width: 3.062 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Height: 4.875 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-086-2779, 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 L3harris Technologies, Inc.. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5950-00-086-2779
Primary Part Number2211559
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc.
StatusACTIVE
Inclosure TypeHERMETICALLY SEALED
Body Width3.062 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity4 SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height4.875 INCHES NOMINAL IN
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Length3.562 INCHES NOMINAL IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Voltage550.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity4 STANDOFF, SOLDER LUG
Winding Operating Current70.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5133-00-988-5686 INTERCHANGEABLE
Drill,twist
5306-01-413-738233188 INTERCHANGEABLE
Bolt,machine
Blissfield Manufacturing Company
5330-01-651-028033188 INTERCHANGEABLE
Gasket
Willard Marine, Inc.
Cross-Reference Index
Part NumberManufacturer
2211559 PRIMARY L3harris Technologies, Inc. (USA)
A2211559 Freed Transformer Co (USA)
33188 Freed Transformer Co (USA)
Related Parts
5133-00-988-5686INTERCHANGEABLE
DRILL,TWIST
5306-01-413-7382INTERCHANGEABLE
BOLT,MACHINE
33188
5330-01-651-0280INTERCHANGEABLE
GASKET
33188

Frequently Asked Questions

What is NSN 5950-00-086-2779?

NSN 5950-00-086-2779 is a Transformer,power, manufactured by L3harris Technologies, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-086-2779?

NSN 5950-00-086-2779 has 3 cross-referenced part numbers: 2211559 (L3harris Technologies, Inc.), A2211559 (Freed Transformer Co), 33188 (Freed Transformer Co).

What NSN replaces 5950-00-086-2779?

There are 3 known substitutes for 5950-00-086-2779: 5133-00-988-5686, 5306-01-413-7382, 5330-01-651-0280. Verify interchangeability with system specifications before substitution.

What are the specifications of 2211559?

Key specifications for 2211559: Inclosure Type: HERMETICALLY SEALED; Body Width: 3.062 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED; Mounting Facility Quantity: 4 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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