The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-678-2743, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sensor Systems, L.l.c. Dba Sensor Systems Llc. 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. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-678-2743 |
| Primary Part Number | 500171 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Sensor Systems, L.l.c. Dba Sensor Systems Llc |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Body Outside Diameter | 0.266 INCHES NOMINAL IN |
| Mounting Method | CORE AND THREADED STUD(S) SINGLE GROUP |
| Maximum Transformer Power Rating | 1.0 MILLIWATTS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 1000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 60.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Nominal Thread Size | 0.112 INCHES SINGLE GROUP IN |
| Body Length | 0.563 INCHES NOMINAL IN |
| Winding Operating Current | 3.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 200.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Thread Quantity Per Inch | 40 SINGLE GROUP |
| Primary to Secondary Turn Ratio | 1 TO 3-1/10 SINGLE COMPONENT |
| Terminal Type and Quantity | 4 PIN |
| 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 |
|---|---|
| 500171 PRIMARY | Sensor Systems, L.l.c. Dba Sensor Systems Llc (USA) |
NSN 5950-00-678-2743 is a Transformer,audio Frequency, manufactured by Sensor Systems, L.l.c. Dba Sensor Systems Llc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-678-2743 has 1 manufacturer part number on file: 500171 (Sensor Systems, L.l.c. Dba Sensor Systems Llc).
4 possible matches (shared part number, not a government interchangeability claim): 5310-01-076-7560, 6350-01-160-6583, 5340-01-378-5989. Verify interchangeability with system specifications before substitution.
Key specifications for 500171: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Body Outside Diameter: 0.266 INCHES NOMINAL IN; Mounting Method: CORE AND THREADED STUD(S) SINGLE GROUP. 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.