The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-078-4083, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-078-4083 |
| Primary Part Number | 9120-0037 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.594 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | SLOT SINGLE GROUP |
| Body Width | 2.656 INCHES NOMINAL IN |
| Body Height | 3.094 INCHES NOMINAL IN |
| Body Length | 2.656 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.156 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Terminal Type and Quantity | 6 WIRE LEAD |
| Mounting Slot Width | 0.188 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 | X |
| Part Number | Manufacturer |
|---|---|
| 9120-0037 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 9120-0037 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 9120-0037 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 2173 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5950-00-078-4083 is a Transformer,audio Frequency, manufactured by Keysight Technologies Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-078-4083 has 1 manufacturer part number on file: 9120-0037 (Keysight Technologies Inc).
Key specifications for 9120-0037: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.594 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: SLOT SINGLE GROUP. 10 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.