The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-084-9104, 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 Kato Engineering Inc.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5961-01-084-9104 |
| Primary Part Number | 850-41904-40 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Kato Engineering Inc. |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 1400.0 MAXIMUM REVERSE VOLTAGE, PEAK |
| Mounting Facility Quantity | 1 |
| Mounting Method | THREADED STUD(S) |
| Features Provided | HERMETICALLY SEALED CASE |
| Overall Width Across Flats | 1.060 INCHES NOMINAL IN |
| Nominal Thread Size | 0.375 INCHES IN |
| Current Rating Per Characteristic | 125.00 AMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT |
| Material | SILICON SEMICONDUCTOR |
| Terminal Type and Quantity | 1 THREADED STUD AND 1 UNINSULATED WIRE LEAD W/TERMINAL LUG |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 87663 | Kato Engineering Inc. (USA) |
| 850-41904-40 PRIMARY | Kato Engineering Inc. (USA) |
| D501AW | Microsemi Corp-Colorado (USA) |
| Reference | Meaning |
|---|---|
| D501AW | 5/9 Secondary reference Fmc Technologies Inc Div Material Handling Solutions |
NSN 5961-01-084-9104 is a Semiconductor Device,diode, manufactured by Kato Engineering Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-084-9104 has 3 manufacturer part numbers on file: 87663 (Kato Engineering Inc.), 850-41904-40 (Kato Engineering Inc.), D501AW (Microsemi Corp-Colorado).
Key specifications for 850-41904-40: Voltage Rating in Volts Per Characteristic: 1400.0 MAXIMUM REVERSE VOLTAGE, PEAK; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S); Overall Length: 2.000 INCHES NOMINAL 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.