PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38536Transformer,audio Frequency

Freed Transformer Co · NSN 5950-00-250-1740 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-250-1740 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-250-1740. Primary manufacturer part number: 38536.
Features
  • Transformer,audio Frequency — FSC 5950
  • Body Height: 4.062 INCHES NOMINAL IN
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Impedance Rating in Ohms: 6500.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Primary to Secondary Turn Ratio: 1 TO 3.6 TO 28.4 SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-250-1740, 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 Freed Transformer Co. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN5950-00-250-1740
Primary Part Number38536
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Body Height4.062 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Impedance Rating in Ohms6500.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Primary to Secondary Turn Ratio1 TO 3.6 TO 28.4 SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Body Width2.812 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Maximum Transformer Power Rating20.0 WATTS SINGLE COMPONENT
Terminal Type and Quantity7 TAB, SOLDER LUG
Inclosure TypeHERMETICALLY SEALED
Impedance Rating in Ohms500.0 NOMINAL SINGLE COMPONENT SECOND SECONDARY
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Winding Operating Current500.0 MICROAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Frequency Rating50.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Impedance Rating in Ohms8.0 NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Body Length3.031 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5210-01-186-1043 INTERCHANGEABLE
Straightedge
4710-01-414-040399138536 INTERCHANGEABLE
Tube Assembly,metal
Alfa Laval Inc
2930-01-581-579938536 INTERCHANGEABLE
Adjusting Device,belt-Chain Tens
Gates Rubber Co the
Cross-Reference Index
Part NumberManufacturer
SCC77757 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
38536 PRIMARY Freed Transformer Co (USA)
Related Parts
5210-01-186-1043INTERCHANGEABLE
STRAIGHTEDGE
4710-01-414-0403INTERCHANGEABLE
TUBE ASSEMBLY,METAL
99138536
2930-01-581-5799INTERCHANGEABLE
ADJUSTING DEVICE,BELT-CHAIN TENS
38536

Frequently Asked Questions

What is NSN 5950-00-250-1740?

NSN 5950-00-250-1740 is a Transformer,audio Frequency, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-250-1740?

NSN 5950-00-250-1740 has 2 cross-referenced part numbers: SCC77757 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 38536 (Freed Transformer Co).

What NSN replaces 5950-00-250-1740?

There are 3 known substitutes for 5950-00-250-1740: 5210-01-186-1043, 4710-01-414-0403, 2930-01-581-5799. Verify interchangeability with system specifications before substitution.

What are the specifications of 38536?

Key specifications for 38536: Body Height: 4.062 INCHES NOMINAL IN; Mounting Method: THREADED STUD(S) SINGLE GROUP; Impedance Rating in Ohms: 6500.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Primary to Secondary Turn Ratio: 1 TO 3.6 TO 28.4 SINGLE COMPONENT. 22 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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