The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-470-1429, 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 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-470-1429 |
| Primary Part Number | NR-287 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Magnetika Inc |
| Status | ACTIVE |
| Maximum Transformer Power Rating | 3.0 DECIBELS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 1600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Impedance Rating in Ohms | 4.0 NOMINAL AND 20.0 NOMINAL AND 40.0 NOMINAL AND 100.0 NOMINAL AND 150.0 NOMINAL AND 1000.0 NOMINAL AND 50000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Frequency Rating | 200.0 HERTZ MINIMUM AND 6.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| NR-287 | Magnetika Inc (USA) |
| Reference | Meaning |
|---|---|
| NR-287 | 5/9 Secondary reference U.S. Government activity |
| 002083 | 3/9 Design control — primary reference Electronics of Clearfield Inc |
NSN 5950-00-470-1429 is a Transformer,audio Frequency, manufactured by Magnetika Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-470-1429 has 1 manufacturer part number on file: NR-287 (Magnetika Inc).
Key specifications for NR-287: Maximum Transformer Power Rating: 3.0 DECIBELS SINGLE COMPONENT; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Impedance Rating in Ohms: 1600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Impedance Rating in Ohms: 4.0 NOMINAL AND 20.0 NOMINAL AND 40.0 NOMINAL AND 100.0 NOMINAL AND 150.0 NOMINAL AND 1000.0 NOMINAL AND 50000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY. 5 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.