The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-280-4659, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Freed Transformer Co. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-280-4659 |
| Primary Part Number | MGA6 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Freed Transformer Co |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 1.625 INCHES NOMINAL IN |
| Body Height | 2.375 INCHES NOMINAL IN |
| Maximum Transformer Power Rating | 33.0 DECIBELS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 4.0 NOMINAL AND 16.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Impedance Rating in Ohms | 4800.0 NOMINAL AND 7600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 1.625 INCHES NOMINAL IN |
| Winding Operating Current | 8.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 300.0 HERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Primary to Secondary Turn Ratio | 1 TO 28 SINGLE COMPONENT |
| Terminal Type and Quantity | 7 THREADED STUD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MGA6 PRIMARY | Freed Transformer Co (USA) |
| Reference | Meaning |
|---|---|
| 23845-3 | 5/9 Secondary reference Unisys Corp Defense Systems C S D Field Engineering |
NSN 5950-00-280-4659 is a Transformer,audio Frequency, manufactured by Freed Transformer Co, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-280-4659 has 1 manufacturer part number on file: MGA6 (Freed Transformer Co).
Key specifications for MGA6: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: THREADED STUD(S) SINGLE GROUP. 19 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.