The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-829-3175, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keytronics, Inc. Div Api Technologies Corp- Magnetics. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-829-3175 |
| Primary Part Number | K5694 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Keytronics, Inc. Div Api Technologies Corp- Magnetics |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 1.030 INCHES NOMINAL IN |
| Body Height | 1.420 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 2000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 2000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Distance Between Mounting Facility Centers | 0.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 1.030 INCHES NOMINAL IN |
| Winding Operating Current | 2.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 5.0 HERTZ MINIMUM AND 250.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Terminal Type and Quantity | 5 TAB, SOLDER LUG |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| 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 |
|---|---|
| K5694 | Keytronics, Inc. Div Api Technologies Corp- Magnetics (USA) |
| Reference | Meaning |
|---|---|
| 406716-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-829-3175 is a Transformer,audio Frequency, manufactured by Keytronics, Inc. Div Api Technologies Corp- Magnetics, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-829-3175 has 1 manufacturer part number on file: K5694 (Keytronics, Inc. Div Api Technologies Corp- Magnetics).
1 possible match (shared part number, not a government interchangeability claim): 1680-00-919-0198. Verify interchangeability with system specifications before substitution.
Key specifications for K5694: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Mounting Method: THREADED STUD(S) SINGLE GROUP; Body Width: 1.030 INCHES NOMINAL IN. 17 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.