PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T301Transformer,audio Frequency

Electronic Transformer Corp Div Electronic Transformer Corporation · NSN 5950-00-645-0775 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-0775 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-0775. Primary manufacturer part number: T301.
Features
  • Transformer,audio Frequency — FSC 5950
  • Body Height: 5.750 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Operating Current: 35.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
  • Body Length: 4.438 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-645-0775, 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 Electronic Transformer Corp Div Electronic Transformer Corporation. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-645-0775
Primary Part NumberT301
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerElectronic Transformer Corp Div Electronic Transformer Corporation
StatusACTIVE
Body Height5.750 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current35.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Body Length4.438 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current175.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Function and Quantity1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Winding Operating Current60.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Current100.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Thread Series DesignatorUNF SINGLE GROUP
Winding Operating Current1.2 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Body Width3.938 INCHES NOMINAL IN
Terminal Type and Quantity13 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5975-00-156-3253MS3367-2-9 INTERCHANGEABLE
Strap,tie Down,electrical Compon
Sae International Dba Sae International
3110-00-554-2906 INTERCHANGEABLE
Bearing,ball,annular
5950-00-733-3571 INTERCHANGEABLE
Transformer,power Autotransforme
5120-00-808-8317T301 INTERCHANGEABLE
Wrench,bimetal Hold
Aerosonic Llc
5950-01-033-9685 INTERCHANGEABLE
Coil,radio Frequency
3110-01-319-2485T-301 INTERCHANGEABLE
Bearing,roller,thrust
The Timken Corporation
5998-01-420-303185076-144 INTERCHANGEABLE
Holder,electrical Card
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
Cross-Reference Index
Part NumberManufacturer
T301 PRIMARY Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
Related Parts
5975-00-156-3253INTERCHANGEABLE
STRAP,TIE DOWN,ELECTRICAL COMPON
MS3367-2-9
3110-00-554-2906INTERCHANGEABLE
BEARING,BALL,ANNULAR
5950-00-733-3571INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
5120-00-808-8317INTERCHANGEABLE
WRENCH,BIMETAL HOLD
T301
5950-01-033-9685INTERCHANGEABLE
COIL,RADIO FREQUENCY
3110-01-319-2485INTERCHANGEABLE
BEARING,ROLLER,THRUST
T-301
5998-01-420-3031INTERCHANGEABLE
HOLDER,ELECTRICAL CARD
85076-144

Frequently Asked Questions

What is NSN 5950-00-645-0775?

NSN 5950-00-645-0775 is a Transformer,audio Frequency, manufactured by Electronic Transformer Corp Div Electronic Transformer Corporation, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-0775?

NSN 5950-00-645-0775 has 1 cross-referenced part number: T301 (Electronic Transformer Corp Div Electronic Transformer Corporation).

What NSN replaces 5950-00-645-0775?

There are 7 known substitutes for 5950-00-645-0775: 5975-00-156-3253, 3110-00-554-2906, 5950-00-733-3571 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T301?

Key specifications for T301: Body Height: 5.750 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED; Winding Operating Current: 35.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY; Body Length: 4.438 INCHES NOMINAL IN. 21 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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