PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18862Transformer,audio Frequency

Freed Transformer Co · NSN 5950-00-189-6615 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-189-6615 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-189-6615. Primary manufacturer part number: 18862.
Features
  • Transformer,audio Frequency — FSC 5950
  • Impedance Rating in Ohms: 40000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 12.0 KILOHERTZ NOMINAL SINGLE COMPONENT
  • Impedance Rating in Ohms: 35000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY 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 5950-00-189-6615, 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 20 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
NSN5950-00-189-6615
Primary Part Number18862
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerFreed Transformer Co
StatusACTIVE
Impedance Rating in Ohms40000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Reliability IndicatorNOT ESTABLISHED
Frequency Rating12.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Impedance Rating in Ohms35000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Terminal Type and Quantity6 STANDOFF, SOLDER LUG
Body Length2.250 INCHES NOMINAL IN
Primary to Secondary Turn Ratio1 TO 1 SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Inclosure TypeFULLY INCLOSED
Body Width2.125 INCHES NOMINAL IN
Winding Operating Current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Height3.000 INCHES NOMINAL IN
Thread Quantity Per Inch32 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6130-01-319-469318862 INTERCHANGEABLE
Bell Crank,complete
Consolidated Sewing Machine Corp
8040-01-326-642418862 INTERCHANGEABLE
Hardener,adhesive
Loctite Corp
6680-01-707-0886352B INTERCHANGEABLE
Accelerometer,electrical,linear
Pcb Piezotronics, Inc.
Cross-Reference Index
Part NumberManufacturer
18862 PRIMARY Freed Transformer Co (USA)
05603 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
6130-01-319-4693INTERCHANGEABLE
BELL CRANK,COMPLETE
18862
8040-01-326-6424INTERCHANGEABLE
HARDENER,ADHESIVE
18862
6680-01-707-0886INTERCHANGEABLE
ACCELEROMETER,ELECTRICAL,LINEAR
352B

Frequently Asked Questions

What is NSN 5950-00-189-6615?

NSN 5950-00-189-6615 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 5950-00-189-6615?

NSN 5950-00-189-6615 has 2 cross-referenced part numbers: 18862 (Freed Transformer Co), 05603 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 5950-00-189-6615?

There are 3 known substitutes for 5950-00-189-6615: 6130-01-319-4693, 8040-01-326-6424, 6680-01-707-0886. Verify interchangeability with system specifications before substitution.

What are the specifications of 18862?

Key specifications for 18862: Impedance Rating in Ohms: 40000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Reliability Indicator: NOT ESTABLISHED; Frequency Rating: 12.0 KILOHERTZ NOMINAL SINGLE COMPONENT; Impedance Rating in Ohms: 35000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY. 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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