The Semiconductor Devices,unitized, cataloged under National Stock Number 5961-01-362-8403, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-362-8403 |
| Primary Part Number | 1668AS4D3-1 |
| Item Name | Semiconductor Devices,unitized |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 1200.0 NOMINAL REPETITIVE PEAK OFF-STATE VOLTAGE AND 1350.0 NOMINAL NONREPETITIVE PEAK OFF-STATE VOLTAGE AND 960.0 NOMINAL OFF-STATE VOLTAGE, DC AND 1200.0 NOMINAL REPETITIVE PEAK REVERSE VOLTAGE AND 1350.0 NOMINAL NONREPETITIVE PEAK REVERSE VOLTAGE AND 960.0 NOMINAL REVERSE VOLTAGE, INSTANTANEOUS AND 10.0 NOMINAL GATE VOLTAGE, DC ALL SEMICONDUCTOR |
| Mounting Facility Quantity | 2 |
| Mounting Method | UNTHREADED HOLE(S) |
| Component Name and Quantity | 2 SEMICONDUCTOR DEVICE DIODE |
| Current Rating Per Characteristic | 86.00 AMPERES NOMINAL ON-STATE CURRENT, INSTANTANEOUS AND 1100.00 AMPERES NOMINAL PEAK NONREPETITIVE SURGE CURRENT AND 2.00 AMPERES NOMINAL FORWARD GATE CURRENT ALL SEMICONDUCTOR |
| Function for Which Designed | SWITCHING |
| Material | GLASS ENCLOSURE |
| Terminal Type and Quantity | 3 SCREW AND 4 TAB, SOLDER LUG |
| Power Rating Per Characteristic | 0.5 WATTS NOMINAL AVERAGE GATE POWER DISSIPATION AND 5.0 WATTS NOMINAL PEAK GATE POWER DISSIPATION ALL SEMICONDUCTOR |
| 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 |
|---|---|
| CM431255 | Powerex, Inc. (USA) |
| 1668AS4D3-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5961-01-362-8403 is a Semiconductor Devices,unitized, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-362-8403 has 2 manufacturer part numbers on file: CM431255 (Powerex, Inc.), 1668AS4D3-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1668AS4D3-1: Overall Height: 1.181 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 1200.0 NOMINAL REPETITIVE PEAK OFF-STATE VOLTAGE AND 1350.0 NOMINAL NONREPETITIVE PEAK OFF-STATE VOLTAGE AND 960.0 NOMINAL OFF-STATE VOLTAGE, DC AND 1200.0 NOMINAL REPETITIVE PEAK REVERSE VOLTAGE AND 1350.0 NOMINAL NONREPETITIVE PEAK REVERSE VOLTAGE AND 960.0 NOMINAL REVERSE VOLTAGE, INSTANTANEOUS AND 10.0 NOMINAL GATE VOLTAGE, DC ALL SEMICONDUCTOR; Mounting Facility Quantity: 2; Mounting Method: UNTHREADED HOLE(S). 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.