The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-276-1185, 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 Raytheon Company Div Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-276-1185 |
| Primary Part Number | 587571-8 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 200.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 300.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 1 |
| Mounting Method | THREADED STUD(S) |
| Features Provided | HERMETICALLY SEALED CASE |
| Overall Width Across Flats | 1.063 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.375 INCHES IN |
| Current Rating Per Characteristic | 150.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE |
| Function for Which Designed | RECTIFIER |
| Material | SILICON SEMICONDUCTOR |
| Terminal Type and Quantity | 1 TAB, SOLDER LUG AND 1 THREADED STUD |
| 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 |
|---|---|
| 587571-8 PRIMARY | Raytheon Company Div Corp (USA) |
| Reference | Meaning |
|---|---|
| 154KR20A | 5/9 Secondary reference International Rectifier Corporation |
| 1N4588R(MOD) | 5/9 Secondary reference Powerex, Inc. |
NSN 5961-01-276-1185 is a Semiconductor Device,diode, manufactured by Raytheon Company Div Corp, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-276-1185 has 1 manufacturer part number on file: 587571-8 (Raytheon Company Div Corp).
Key specifications for 587571-8: Voltage Rating in Volts Per Characteristic: 200.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE AND 300.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S). 12 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.