The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-129-1663, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bae Systems Controls Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-129-1663 |
| Primary Part Number | 417137-03 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Bae Systems Controls Inc |
| Status | ACTIVE |
| Transformer Function | LINE |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | TERMINAL SINGLE GROUP |
| Body Width | 0.310 INCHES MAXIMUM IN |
| Body Height | 0.475 INCHES MAXIMUM IN |
| Maximum Transformer Power Rating | 10.0 MILLIWATTS SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 1000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Impedance Rating in Ohms | 200000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Maximum Operating Temp | 130.0 CELSIUS DEGC |
| Body Length | 0.410 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 100.0 HERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Test Data Document | 07690-417137 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Primary to Secondary Turn Ratio | 14 TO 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 4 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 5950-01-129-1663 is a Transformer,audio Frequency, manufactured by Bae Systems Controls Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-129-1663 has 2 manufacturer part numbers on file: SP-7 (Magnetek Inc Lighting Products Group), 417137-03 (Bae Systems Controls Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3110-01-196-2354, 5965-01-381-4879. Verify interchangeability with system specifications before substitution.
Key specifications for 417137-03: Transformer Function: LINE; Inclosure Type: FULLY INCLOSED; Mounting Method: TERMINAL SINGLE GROUP; Body Width: 0.310 INCHES MAXIMUM IN. 16 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.