PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T055-101-0001Transformer,power

L3harris Interstate Electronics Corporation · NSN 5950-00-978-4133 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-978-4133 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-978-4133. Primary manufacturer part number: T055-101-0001.
Features
  • Transformer,power — FSC 5950
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
  • Terminal Type and Quantity: 4 TAB, SOLDER LUG
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-978-4133, 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 Interstate Electronics Corporation. Government technical data includes 16 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-978-4133
Primary Part NumberT055-101-0001
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerL3harris Interstate Electronics Corporation
StatusACTIVE
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Terminal Type and Quantity4 TAB, SOLDER LUG
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Body Outside Diameter1.510 INCHES NOMINAL IN
Body Length1.000 INCHES NOMINAL IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity1 SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Current45.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Operating Voltage150.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2510-00-103-9272 INTERCHANGEABLE
Roller,subassembly
5120-00-112-94625120-00-112-9462 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
6810-00-123-7047 INTERCHANGEABLE
Amyl Acetate
5962-00-191-7828600A8 INTERCHANGEABLE
Microcircuit,digital
Cardwell Condenser Corp Lapointe-Admiral Div
5962-00-448-94412605883-7 INTERCHANGEABLE
Microcircuit,digital
Alliant Techsystems Operations Llc Div Defense Electronic Systems
5955-00-497-7701712732-5 INTERCHANGEABLE
Crystal Unit,quartz
Raytheon Company Div Rmd Strategic
5331-00-599-796525883 INTERCHANGEABLE
O-Ring
Hamilton Sundstrand Corporation
5310-00-655-98638756580 INTERCHANGEABLE
Nut,self-Locking,extended Washer
U S Army Tank Automotive Command Amsta-Im-Mm
4320-00-671-3271 INTERCHANGEABLE
Ram,jack,hydraulic
5935-00-681-09989967 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
Cross-Reference Index
Part NumberManufacturer
9967 Standex Electronics, Inc. (USA)
9094 Standex Electronics, Inc. (USA)
T055-101-0001 PRIMARY L3harris Interstate Electronics Corporation (USA)
Related Parts
2510-00-103-9272INTERCHANGEABLE
ROLLER,SUBASSEMBLY
5120-00-112-9462INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-112-9462
6810-00-123-7047INTERCHANGEABLE
AMYL ACETATE
5962-00-191-7828INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
600A8
5962-00-448-9441INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2605883-7
5955-00-497-7701INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
712732-5
5331-00-599-7965INTERCHANGEABLE
O-RING
25883
5310-00-655-9863INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
8756580
4320-00-671-3271INTERCHANGEABLE
RAM,JACK,HYDRAULIC
5935-00-681-0998INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
9967
3439-00-767-9126INTERCHANGEABLE
SOLDERING AID TOOL
9094
2920-00-864-3955INTERCHANGEABLE
PARTS KIT,ENGINE GENERATOR
90-94

Frequently Asked Questions

What is NSN 5950-00-978-4133?

NSN 5950-00-978-4133 is a Transformer,power, manufactured by L3harris Interstate Electronics Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-978-4133?

NSN 5950-00-978-4133 has 3 cross-referenced part numbers: 9967 (Standex Electronics, Inc.), 9094 (Standex Electronics, Inc.), T055-101-0001 (L3harris Interstate Electronics Corporation).

What NSN replaces 5950-00-978-4133?

There are 12 known substitutes for 5950-00-978-4133: 2510-00-103-9272, 5120-00-112-9462, 6810-00-123-7047 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T055-101-0001?

Key specifications for T055-101-0001: Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT; Reliability Indicator: NOT ESTABLISHED; Mounting Method: THREADED HOLE(S) SINGLE GROUP; Terminal Type and Quantity: 4 TAB, SOLDER LUG. 16 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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