The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-301-9807, 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 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-301-9807 |
| Primary Part Number | DSF022 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Magnetika Inc |
| Status | ACTIVE |
| Inclosure Type | HERMETICALLY SEALED |
| Overall Diameter | 0.350 INCHES MAXIMUM IN |
| Precious Material | GOLD |
| Mounting Method | TERMINAL SINGLE GROUP |
| Maximum Transformer Power Rating | 1.0 MILLIWATTS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 500.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Features Provided | TINNED WIRE LEADS |
| Maximum Operating Temp | 105.0 CELSIUS DEGC |
| Winding Operating Current | 2.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Precious Material and Location | PLATED TERMINALS GOLD |
| Frequency Rating | 400.0 HERTZ MINIMUM AND 250.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Test Data Document | 80064-2618756 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Primary to Secondary Turn Ratio | 1 TO 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 7 WIRE LEAD |
| 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 |
|---|---|
| DSF022 | Magnetika Inc (USA) |
| Reference | Meaning |
|---|---|
| DSF022 | 5/9 Secondary reference U.S. Government activity |
| DSF022 | 5/9 Secondary reference U.S. Government activity |
| 2618756-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-01-301-9807 is a Transformer,audio Frequency, manufactured by Magnetika Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-301-9807 has 1 manufacturer part number on file: DSF022 (Magnetika Inc).
Key specifications for DSF022: Inclosure Type: HERMETICALLY SEALED; Overall Diameter: 0.350 INCHES MAXIMUM IN; Precious Material: GOLD; Mounting Method: TERMINAL SINGLE GROUP. 18 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.