The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-147-7818, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Coast/advanced Chip Magnetics, Inc.. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-147-7818 |
| Primary Part Number | 42605 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Coast/advanced Chip Magnetics, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 3.250 INCHES MAXIMUM IN |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Mounting Hole Diameter | 0.187 INCHES MINIMUM AND 0.191 INCHES MAXIMUM SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 9 SECONDARY SINGLE COMPONENT |
| Body Length | 1.500 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Terminal Type and Quantity | 29 TURRET |
| 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 |
|---|---|
| 42605 | Coast/advanced Chip Magnetics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| CT102997 | 5/2 Secondary reference U.S. Government activity |
| 95G3258-1-1 | 3/2 Design control — primary reference U.S. Government activity |
| 95G3258-1-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-147-7818 is a Transformer,audio Frequency, manufactured by Coast/advanced Chip Magnetics, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-147-7818 has 1 manufacturer part number on file: 42605 (Coast/advanced Chip Magnetics, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5999-00-761-5889. Verify interchangeability with system specifications before substitution.
Key specifications for 42605: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 3.250 INCHES MAXIMUM IN; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP. 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.