The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-100-3889, 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-Metrics, Inc. Dba Aeroflex / Metelics - East Div Londonderry Operations. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-100-3889 |
| Primary Part Number | K1059 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Micro-Metrics, Inc. Dba Aeroflex / Metelics - East Div Londonderry Operations |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 4.0 MAXIMUM NOMINAL REGULATOR VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS AMBIENT AIR DEGC |
| Overall Diameter | 0.130 INCHES MAXIMUM IN |
| Terminal Length | 1.000 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Features Provided | HERMETICALLY SEALED CASE |
| Voltage Tolerance in Percent | -20.0 TO 20.0 |
| Material | SILICON SEMICONDUCTOR |
| Material | GLASS ENCLOSURE |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| Power Rating Per Characteristic | 500.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| K1059 | Micro-Metrics, Inc. Dba Aeroflex / Metelics - East Div Londonderry Operations (USA) |
| Reference | Meaning |
|---|---|
| 300-2439 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| SM-B-620767-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5961-01-100-3889 is a Semiconductor Device,diode, manufactured by Micro-Metrics, Inc. Dba Aeroflex / Metelics - East Div Londonderry Operations, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-100-3889 has 1 manufacturer part number on file: K1059 (Micro-Metrics, Inc. Dba Aeroflex / Metelics - East Div Londonderry Operations).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-442-2865. Verify interchangeability with system specifications before substitution.
Key specifications for K1059: Voltage Rating in Volts Per Characteristic: 4.0 MAXIMUM NOMINAL REGULATOR VOLTAGE; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS AMBIENT AIR DEGC; Overall Diameter: 0.130 INCHES MAXIMUM IN; Terminal Length: 1.000 INCHES MINIMUM 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.
NSN 5961-01-100-3889 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.