The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-186-7301, 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 U S Dept of Transportation Federal Aviation Administration. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-186-7301 |
| Primary Part Number | 5KP51A |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 51.0 NOMINAL REVERSE VOLTAGE, INSTANTANEOUS |
| Overall Diameter | 0.375 INCHES NOMINAL IN |
| Terminal Length | 0.750 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Current Rating Per Characteristic | 61.00 AMPERES NOMINAL PEAK PULSE CURRENT |
| Material | SILICON SEMICONDUCTOR |
| Material | PLASTIC ENCLOSURE |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.050 INCHES NOMINAL IN |
| 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 |
|---|---|
| 5KP51A PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| Reference | Meaning |
|---|---|
| 5KP51A | 5/9 Secondary reference Protek Devices Lp Dba Protek Devices |
| 5KP51A | 5/9 Secondary reference General Semiconductor Industries Inc |
NSN 5961-01-186-7301 is a Semiconductor Device,diode, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-186-7301 has 1 manufacturer part number on file: 5KP51A (U S Dept of Transportation Federal Aviation Administration).
Key specifications for 5KP51A: Voltage Rating in Volts Per Characteristic: 51.0 NOMINAL REVERSE VOLTAGE, INSTANTANEOUS; Overall Diameter: 0.375 INCHES NOMINAL IN; Terminal Length: 0.750 INCHES MINIMUM IN; Mounting Method: TERMINAL. 9 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.