PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H133Transformer,power

United Transformer Corp Sub of Opt Industries Inc · NSN 5950-00-577-3044 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-577-3044 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-577-3044. Primary manufacturer part number: H133.
Features
  • Transformer,power — FSC 5950
  • Terminal Type and Quantity: 8 SOLDER STUD
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.297 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Frequency Rating: 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Body Width: 2.625 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 5950-00-577-3044, 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 United Transformer Corp Sub of Opt Industries Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-577-3044
Primary Part NumberH133
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUnited Transformer Corp Sub of Opt Industries Inc
StatusCANCELLED
Terminal Type and Quantity8 SOLDER STUD
Center to Center Distance Between Mounting Facilities Parallel to Width2.297 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Body Width2.625 INCHES NOMINAL IN
Winding Operating Current7.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Thread Quantity Per Inch32 SINGLE GROUP
Body Height3.188 INCHES NOMINAL IN
Mounting Facility Quantity4 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Center to Center Distance Between Mounting Facilities Parallel to Length1.859 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Winding Operating Voltage105.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 210.00 AC VOLTS NOMINAL AND 220.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeHERMETICALLY SEALED
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Body Length3.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6135-00-087-0333VS149 INTERCHANGEABLE
Battery,nonrechargeable
L3 Technologies, Inc. Div Communication Systems-East
5970-00-149-7312 INTERCHANGEABLE
Insulator,standoff
5307-00-207-085311850A INTERCHANGEABLE
Stud,plain
Brinkley Technology Group Llc Dba Hercules Manufacturing
5120-00-224-4139 INTERCHANGEABLE
Hammer,hand
5360-01-045-3384H133 INTERCHANGEABLE
Spring,helical,compression
Uhan Bros P O Box 264 Wellston Mi 49689
5940-01-444-4393H133 INTERCHANGEABLE
Terminal,lug
Electro-Term, Inc. Dba Electro Term Inc
4320-01-559-15161038264 INTERCHANGEABLE
Pump,hydraulic
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
H133 United Transformer Corp Sub of Opt Industries Inc (USA)
H133 Magnetika Inc (USA)
W13296 Unisys Corp Systems Development (USA)
1038264 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
6135-00-087-0333INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
VS149
5970-00-149-7312INTERCHANGEABLE
INSULATOR,STANDOFF
5307-00-207-0853INTERCHANGEABLE
STUD,PLAIN
11850A
5120-00-224-4139INTERCHANGEABLE
HAMMER,HAND
5360-01-045-3384INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
H133
5940-01-444-4393INTERCHANGEABLE
TERMINAL,LUG
H133
4320-01-559-1516INTERCHANGEABLE
PUMP,HYDRAULIC
1038264

Frequently Asked Questions

What is NSN 5950-00-577-3044?

NSN 5950-00-577-3044 is a Transformer,power, manufactured by United Transformer Corp Sub of Opt Industries Inc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-577-3044?

NSN 5950-00-577-3044 has 4 cross-referenced part numbers: H133 (United Transformer Corp Sub of Opt Industries Inc), H133 (Magnetika Inc), W13296 (Unisys Corp Systems Development), 1038264 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 5950-00-577-3044?

There are 7 known substitutes for 5950-00-577-3044: 6135-00-087-0333, 5970-00-149-7312, 5307-00-207-0853 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H133?

Key specifications for H133: Terminal Type and Quantity: 8 SOLDER STUD; Center to Center Distance Between Mounting Facilities Parallel to Width: 2.297 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-577-3044 still in active supply?

NSN 5950-00-577-3044 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.
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