The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-412-1832, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Robert M. Hadley Company, Inc.. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 — Coils and Transformers (FSG 59) |
| Manufacturers | Robert M. Hadley Company, Inc. (CAGE 72964); Magnetika (CAGE 02640); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5950-01-412-1832 |
| Primary Part Number | 20048 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Robert M. Hadley Company, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 20048 PRIMARY | Robert M. Hadley Company, Inc. (USA) |
| TW-71707 PRIMARY | Magnetika (USA) |
| 5856721 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| M9208 | 5/9 Secondary reference Microtran Co Inc |
| OPO 546 | 5/9 Secondary reference Opt Industries Inc Div of Electronika Inc |
NSN 5950-01-412-1832 is a Transformer,audio Frequency, manufactured by Robert M. Hadley Company, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-412-1832 has 3 manufacturer part numbers on file: 20048 (Robert M. Hadley Company, Inc.), TW-71707 (Magnetika), 5856721 (Naval Sea Systems Command).
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.