The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-005-9539, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Micro Uspd 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-005-9539 |
| Primary Part Number | UZ1258 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Micro Uspd Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 40.0 MAXIMUM REVERSE VOLTAGE, PEAK |
| Overall Diameter | 0.110 INCHES MAXIMUM IN |
| Precious Material | SILVER |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Current Rating Per Characteristic | 20.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC |
| Precious Material and Location | TERMINAL SURFACE SILVER |
| Material | SILICON SEMICONDUCTOR |
| Material | GLASS ENCLOSURE |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| UZ1258 PRIMARY | Micro Uspd Inc (USA) |
| Reference | Meaning |
|---|---|
| 205688 | 5/9 Secondary reference U.S. Government activity |
NSN 5961-01-005-9539 is a Semiconductor Device,diode, manufactured by Micro Uspd Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-005-9539 has 1 manufacturer part number on file: UZ1258 (Micro Uspd Inc).
Key specifications for UZ1258: Voltage Rating in Volts Per Characteristic: 40.0 MAXIMUM REVERSE VOLTAGE, PEAK; Overall Diameter: 0.110 INCHES MAXIMUM IN; Precious Material: SILVER; Terminal Length: 0.500 INCHES MINIMUM IN. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.