PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23113Transformer,audio Frequency

Freed Transformer Co · NSN 5950-00-645-7688 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-7688 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-7688. Primary manufacturer part number: 23113.
Features
  • Transformer,audio Frequency — FSC 5950
  • Body Length: 1.875 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
  • Impedance Rating in Ohms: 4000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.229 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Impedance Rating in Ohms: 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Mounting Method: THREADED STUD(S) 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 5950-00-645-7688, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-645-7688
Primary Part Number23113
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusCANCELLED
Body Length1.875 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Impedance Rating in Ohms4000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Center to Center Distance Between Mounting Facilities Parallel to Width1.229 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Terminal Type and Quantity4 STANDOFF, SOLDER LUG
Mounting Facility Quantity4 SINGLE GROUP
Body Height3.500 INCHES NOMINAL IN
Frequency Rating400.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length1.065 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Width1.625 INCHES NOMINAL IN
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Current30.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Primary to Secondary Turn Ratio1 TO 2-37/64 SINGLE COMPONENT
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-051-0841 INTERCHANGEABLE
Screw,machine
3110-00-100-582053178-53375 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5360-00-119-2307141-4 INTERCHANGEABLE
Spring,helical,compression
Cummins Power Generation Inc.
5133-00-227-5988 INTERCHANGEABLE
Drill,twist
1650-00-311-040829302 INTERCHANGEABLE
Plug,hydraulic Mani
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6640-00-494-39593024-25 INTERCHANGEABLE
Cylinder,graduated,laboratory
Corning Inc Dba Corning Incorporated Div Specialty Materials
5975-00-578-2748BB75 INTERCHANGEABLE
Bushing,electrical Conductor
Egs Electrical Group Appleton Div
4710-00-845-930029302 INTERCHANGEABLE
Tube Assembly,metal
Hdt Expeditionary Systems Inc
2520-01-035-66702-9302 INTERCHANGEABLE
Parts Kit,universal Joint
Neapco Inc
5961-01-169-46951N5711 INTERCHANGEABLE
Semiconductor Device,diode
Avago Technologies Us Inc Div Avago Technologies
Cross-Reference Index
Part NumberManufacturer
XT372 Scomill Inc (USA)
62C20013 Marine View Electronics Inc (USA)
B2930-2 Scomill Inc (USA)
2930-2 Scomill Inc (USA)
23113 PRIMARY Freed Transformer Co (USA)
Related Parts
5305-00-051-0841INTERCHANGEABLE
SCREW,MACHINE
3110-00-100-5820INTERCHANGEABLE
BEARING,ROLLER,TAPERED
53178-53375
5360-00-119-2307INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
141-4
5133-00-227-5988INTERCHANGEABLE
DRILL,TWIST
1650-00-311-0408INTERCHANGEABLE
PLUG,HYDRAULIC MANI
29302
6640-00-494-3959INTERCHANGEABLE
CYLINDER,GRADUATED,LABORATORY
3024-25
5975-00-578-2748INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUCTOR
BB75
4710-00-845-9300INTERCHANGEABLE
TUBE ASSEMBLY,METAL
29302
2520-01-035-6670INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
2-9302
5961-01-169-4695INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N5711
4820-01-198-3001INTERCHANGEABLE
STEM,FLUID VALVE
2930-2
4730-01-415-7401INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
29302

Frequently Asked Questions

What is NSN 5950-00-645-7688?

NSN 5950-00-645-7688 is a Transformer,audio Frequency, manufactured by Freed Transformer Co, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-645-7688?

NSN 5950-00-645-7688 has 5 cross-referenced part numbers: XT372 (Scomill Inc), 62C20013 (Marine View Electronics Inc), B2930-2 (Scomill Inc), 2930-2 (Scomill Inc), 23113 (Freed Transformer Co).

What NSN replaces 5950-00-645-7688?

There are 12 known substitutes for 5950-00-645-7688: 5305-00-051-0841, 3110-00-100-5820, 5360-00-119-2307 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23113?

Key specifications for 23113: Body Length: 1.875 INCHES NOMINAL IN; Reliability Indicator: NOT ESTABLISHED; Impedance Rating in Ohms: 4000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Center to Center Distance Between Mounting Facilities Parallel to Width: 1.229 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-645-7688 still in active supply?

NSN 5950-00-645-7688 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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