The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-421-6987, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-421-6987 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 200.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS AMBIENT AIR DEGC |
| Overall Diameter | 0.115 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN |
| Terminal Length | 0.900 INCHES MINIMUM AND 1.300 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL |
| Current Rating Per Characteristic | 2.00 MICROAMPERES MAXIMUM REVERSE CURRENT, INSTANTANEOUS |
| Specification/standard Data | 81349-,IL-S19500/590 GOVERNMENT SPECIFICATION |
| Material | SILICON SEMICONDUCTOR |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.037 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| Power Rating Per Characteristic | 400.0 MILLIWATTS MAXIMUM FORWARD POWER DISSIPATION, DC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| JANTXV1N6626 | 2/2 Government specification standardization U.S. Government activity |
| MIL-S-19500/590 | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-19500/590 | 4/1 Identification reference U.S. Government activity |
NSN 5961-01-421-6987 is a Semiconductor Device,diode, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5961-01-426-3065, 5961-01-433-2380, 5961-01-475-3439. Verify interchangeability with system specifications before substitution.
Key specifications for 5961-01-421-6987: Voltage Rating in Volts Per Characteristic: 200.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS AMBIENT AIR DEGC; Overall Diameter: 0.115 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN; Terminal Length: 0.900 INCHES MINIMUM AND 1.300 INCHES MAXIMUM IN. 11 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.