The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-087-8310, 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 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-087-8310 |
| Primary Part Number | 9120-0089 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 0.406 INCHES NOMINAL IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Body Width | 0.875 INCHES MINIMUM AND 1.001 INCHES MAXIMUM IN |
| Body Height | 0.687 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 4000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Body Length | 0.937 INCHES MINIMUM AND 1.063 INCHES MAXIMUM IN |
| Winding Operating Current | 100.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Primary to Secondary Turn Ratio | 2-37/64 TO 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 5 PIN |
| 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 |
|---|---|
| 9120-0089 PRIMARY | Keysight Technologies Inc (USA) |
| M-2274 | Mccarron Electric Co (USA) |
| Reference | Meaning |
|---|---|
| 9120-0089 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 9120-0089 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5950-00-087-8310 is a Transformer,audio Frequency, manufactured by Keysight Technologies Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-087-8310 has 2 manufacturer part numbers on file: 9120-0089 (Keysight Technologies Inc), M-2274 (Mccarron Electric Co).
Key specifications for 9120-0089: Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 0.406 INCHES NOMINAL IN; Mounting Method: TERMINAL SINGLE GROUP; Body Width: 0.875 INCHES MINIMUM AND 1.001 INCHES MAXIMUM IN. 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.