The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-139-3758, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5961-01-139-3758 |
| Primary Part Number | X704AS3991 |
| Item Name | Semiconductor Device,diode |
| 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 | 1.0 MAXIMUM NOMINAL REGULATOR VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 55.0 CELSIUS AMBIENT AIR DEGC |
| Terminal Length | 0.380 INCHES NOMINAL IN |
| Mounting Method | TERMINAL |
| Current Rating Per Characteristic | 400.00 MILLIAMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE |
| Function for Which Designed | SWITCHING |
| Material | SILICON SEMICONDUCTOR |
| Terminal Type and Quantity | 2 QUICK DISCONNECT, FEMALE AND 1 QUICK DISCONNECT, MALE |
| Power Rating Per Characteristic | 6.0 WATTS MAXIMUM TOTAL POWER DISSIPATION |
| 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 |
|---|---|
| X704AS3991 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 33144A | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5961-01-139-3758 is a Semiconductor Device,diode, 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 5961-01-139-3758 has 1 manufacturer part number on file: X704AS3991 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for X704AS3991: Overall Height: 0.420 INCHES NOMINAL IN; Voltage Rating in Volts Per Characteristic: 1.0 MAXIMUM NOMINAL REGULATOR VOLTAGE; Maximum Operating Temp Per Measurement Point: 55.0 CELSIUS AMBIENT AIR DEGC; Terminal Length: 0.380 INCHES NOMINAL IN. 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.