The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-973-1868, 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 14 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-973-1868 |
| Primary Part Number | 42285 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Coast/advanced Chip Magnetics, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Body Outside Diameter | 0.984 INCHES MAXIMUM IN |
| Mounting Method | SLOT SINGLE GROUP |
| Maximum Transformer Power Rating | 400.0 MILLIWATTS SINGLE COMPONENT |
| Criticality Code Justification | FEAT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 1.172 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 1.578 INCHES MAXIMUM IN |
| Winding Operating Current | 7.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 300.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 5 WIRE HOOK |
| Mounting Slot Width | 0.120 INCHES NOMINAL SINGLE GROUP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 42285 | Coast/advanced Chip Magnetics, Inc. (USA) |
| 35471 | Freed Transformer Co (USA) |
| 666151-083 | Dyco Manufacturing, Llc (USA) |
| 666151-083 | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| HY2803 | Hytronics Corp. (USA) |
| PEI 6406 | Precision Electronics, Inc (USA) |
| Reference | Meaning |
|---|---|
| BTC12303 | 5/9 Secondary reference U.S. Government activity |
| SM-C-456336 | 3/2 Design control — primary reference U.S. Government activity |
| AU-7195 | 5/9 Secondary reference U.S. Government activity |
| BX-9852 | 5/2 Secondary reference U.S. Government activity |
| W5317 | 5/9 Secondary reference Cen Electronics a Div of Chloride Power Electronics Inc |
NSN 5950-00-973-1868 is a Transformer,audio Frequency, manufactured by Coast/advanced Chip Magnetics, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-973-1868 has 6 manufacturer part numbers on file: 42285 (Coast/advanced Chip Magnetics, Inc.), 35471 (Freed Transformer Co), 666151-083 (Dyco Manufacturing, Llc), 666151-083 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), HY2803 (Hytronics Corp.) and 1 more.
4 possible matches (shared part number, not a government interchangeability claim): 5962-01-088-8580, 3110-01-305-9364, 5330-01-312-0642. Verify interchangeability with system specifications before substitution.
Key specifications for 42285: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Body Outside Diameter: 0.984 INCHES MAXIMUM IN; Mounting Method: SLOT SINGLE GROUP. 14 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.