PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33328Transformer,power

Setra Systems, Inc. Dba Gems Sensors · NSN 5950-00-579-1010 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-579-1010 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-579-1010. Primary manufacturer part number: 33328.
Features
  • Transformer,power — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • Body Height: 2.470 INCHES MINIMUM AND 2.530 INCHES MAXIMUM IN
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Operating Current: 500.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Mounting Method: FLANGE AND SLOT SINGLE GROUP
  • Mounting Slot Width: 0.189 INCHES MINIMUM AND 0.249 INCHES MAXIMUM SINGLE GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-579-1010, 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 Setra Systems, Inc. Dba Gems Sensors. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5950-00-579-1010
Primary Part Number33328
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusACTIVE
Inclosure TypeFULLY INCLOSED
Body Height2.470 INCHES MINIMUM AND 2.530 INCHES MAXIMUM IN
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current500.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Mounting Slot Width0.189 INCHES MINIMUM AND 0.249 INCHES MAXIMUM SINGLE GROUP IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Width2.220 INCHES MINIMUM AND 2.280 INCHES MAXIMUM IN
Winding Operating Voltage28.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity4 TAB W/SCREW
Center to Center Distance Between Mounting Facilities Parallel to Width1.782 INCHES MINIMUM AND 1.842 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Length2.595 INCHES MINIMUM AND 2.655 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.220 INCHES MINIMUM AND 2.280 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-293-846933328 INTERCHANGEABLE
Bearing,ball,annular
Honeywell International Inc. Div Aerospace - Torrance
5210-00-545-5615 INTERCHANGEABLE
Tape,measuring
4820-00-931-11233375 INTERCHANGEABLE
Poppet
Husco International Inc
5133-00-988-5686 INTERCHANGEABLE
Drill,twist
3220-01-275-838943-375 INTERCHANGEABLE
Shaper,woodworking
Delta Intl Machinery Corp
4730-01-341-720743375REVA INTERCHANGEABLE
Expansion Joint,pipe
Hyspan Precision Products, Inc.
5330-01-407-903933328 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Hampton Hydraulics, Llc. Dba Great Bend Industries Div Hampton Hydraulics, Llc.
5210-01-428-5440 INTERCHANGEABLE
Tape,measuring
Cross-Reference Index
Part NumberManufacturer
43375 Freed Transformer Co (USA)
K5806 Keytronics, Inc. Div Api Technologies Corp- Magnetics (USA)
33328 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
3110-00-293-8469INTERCHANGEABLE
BEARING,BALL,ANNULAR
33328
5210-00-545-5615INTERCHANGEABLE
TAPE,MEASURING
4820-00-931-1123INTERCHANGEABLE
POPPET
3375
5133-00-988-5686INTERCHANGEABLE
DRILL,TWIST
3220-01-275-8389INTERCHANGEABLE
SHAPER,WOODWORKING
43-375
4730-01-341-7207INTERCHANGEABLE
EXPANSION JOINT,PIPE
43375REVA
5330-01-407-9039INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
33328
5210-01-428-5440INTERCHANGEABLE
TAPE,MEASURING

Frequently Asked Questions

What is NSN 5950-00-579-1010?

NSN 5950-00-579-1010 is a Transformer,power, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-579-1010?

NSN 5950-00-579-1010 has 3 cross-referenced part numbers: 43375 (Freed Transformer Co), K5806 (Keytronics, Inc. Div Api Technologies Corp- Magnetics), 33328 (Setra Systems, Inc. Dba Gems Sensors).

What NSN replaces 5950-00-579-1010?

There are 8 known substitutes for 5950-00-579-1010: 3110-00-293-8469, 5210-00-545-5615, 4820-00-931-1123 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33328?

Key specifications for 33328: Inclosure Type: FULLY INCLOSED; Body Height: 2.470 INCHES MINIMUM AND 2.530 INCHES MAXIMUM IN; Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT; Winding Operating Current: 500.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE SECONDARY. 17 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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