The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-648-2307, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Magnetika Inc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-648-2307 |
| Primary Part Number | SAR-105 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Magnetika Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 1.406 INCHES NOMINAL IN |
| Body Height | 2.938 INCHES NOMINAL IN |
| Maximum Transformer Power Rating | 1.0 WATTS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 6000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Impedance Rating in Ohms | 185.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.164 INCHES SINGLE GROUP IN |
| Body Length | 1.781 INCHES NOMINAL IN |
| Winding Operating Current | 25.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 10.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Primary to Secondary Turn Ratio | 1 TO 2-3/4 SINGLE COMPONENT |
| Terminal Type and Quantity | 6 WIRE HOOK |
| 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 |
|---|---|
| SAR-105 | Magnetika Inc (USA) |
| A7986 | Autodyne Manufacturing Co Inc (USA) |
| C3220 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| 43019 | Freed Transformer Co (USA) |
| Reference | Meaning |
|---|---|
| SCC62814 | 3/2 Design control — primary reference U.S. Government activity |
| S0-C-62814 | 3/2 Design control — primary reference U.S. Government activity |
| SCD62814 | 5/2 Secondary reference U.S. Government activity |
| GA50768 | 5/9 Secondary reference At and T Corp |
| GA50768 | 5/9 Secondary reference American Telephone and Telegraph Co |
| SAR-105 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-648-2307 is a Transformer,audio Frequency, manufactured by Magnetika Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-648-2307 has 4 manufacturer part numbers on file: SAR-105 (Magnetika Inc), A7986 (Autodyne Manufacturing Co Inc), C3220 (Electronic Transformer Corp Div Electronic Transformer Corporation), 43019 (Freed Transformer Co).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-133-5568. Verify interchangeability with system specifications before substitution.
Key specifications for SAR-105: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Mounting Method: THREADED STUD(S) SINGLE GROUP; Body Width: 1.406 INCHES NOMINAL IN. 20 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.