The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-057-6835, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Telephonics Corp. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5950-01-057-6835 |
| Primary Part Number | T235A171-1 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Telephonics Corp |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | BRACKET(S) SINGLE GROUP |
| Body Width | 0.395 INCHES NOMINAL IN |
| Maximum Transformer Power Rating | 50.0 MILLIWATTS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 150.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 20.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 3 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 |
|---|---|
| T235A171-1 PRIMARY | Telephonics Corp (USA) |
| Reference | Meaning |
|---|---|
| T235A171-1 | 5/9 Secondary reference Instrument Systems Corp |
NSN 5950-01-057-6835 is a Transformer,audio Frequency, manufactured by Telephonics Corp, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-057-6835 has 1 manufacturer part number on file: T235A171-1 (Telephonics Corp).
Key specifications for T235A171-1: Overall Height: 0.560 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Mounting Method: BRACKET(S) SINGLE GROUP; Body Width: 0.395 INCHES NOMINAL IN. 9 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.