The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-366-9971, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5950-01-366-9971 |
| Primary Part Number | 5189167 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 0.350 INCHES MAXIMUM IN |
| Body Height | 0.406 INCHES MAXIMUM IN |
| Maximum Transformer Power Rating | 500.0 MILLIWATTS ALL COMPONENTS |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY ALL COMPONENTS |
| Impedance Rating in Ohms | 500.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Current | 5.5 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM ALL COMPONENTS |
| Terminal Type and Quantity | 6 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 |
NSN 5950-01-366-9971 is a Transformer,audio Frequency, manufactured by Naval Sea Systems Command, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-366-9971 has 3 manufacturer part numbers on file: 5189167 (Naval Sea Systems Command), 5189167 (Magnetika Inc), 5189167 (Pico Electronics Inc).
Key specifications for 5189167: Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 0.350 INCHES MAXIMUM IN; Body Height: 0.406 INCHES MAXIMUM IN; Maximum Transformer Power Rating: 500.0 MILLIWATTS ALL COMPONENTS. 11 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.