The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-396-5617, 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 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5950-01-396-5617 |
| Primary Part Number | LS-61 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Magnetika Inc |
| Status | ACTIVE |
| Maximum Transformer Power Rating | 20.0 WATTS SINGLE COMPONENT |
| Impedance Rating in Ohms | 1.2 NOMINAL AND 2.5 NOMINAL AND 5.0 NOMINAL AND 7.5 NOMINAL AND 10.0 NOMINAL AND 15.0 NOMINAL AND 20.0 NOMINAL AND 30.0 NOMINAL AND 50.0 NOMINAL AND 125.0 NOMINAL AND 200.0 NOMINAL AND 250.0 NOMINAL AND 333.0 NOMINAL AND 500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Impedance Rating in Ohms | 10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Impedance Rating in Ohms | 6000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| 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 |
|---|---|
| LS-61 PRIMARY | Magnetika Inc (USA) |
| Reference | Meaning |
|---|---|
| LS-61 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-01-396-5617 is a Transformer,audio Frequency, manufactured by Magnetika Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-396-5617 has 1 manufacturer part number on file: LS-61 (Magnetika Inc).
Key specifications for LS-61: Maximum Transformer Power Rating: 20.0 WATTS SINGLE COMPONENT; Impedance Rating in Ohms: 1.2 NOMINAL AND 2.5 NOMINAL AND 5.0 NOMINAL AND 7.5 NOMINAL AND 10.0 NOMINAL AND 15.0 NOMINAL AND 20.0 NOMINAL AND 30.0 NOMINAL AND 50.0 NOMINAL AND 125.0 NOMINAL AND 200.0 NOMINAL AND 250.0 NOMINAL AND 333.0 NOMINAL AND 500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Impedance Rating in Ohms: 10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT; Impedance Rating in Ohms: 6000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT. 4 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.