The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-997-5176, 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 Vishay Intertechnology, Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-997-5176 |
| Primary Part Number | 300UR30A |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Vishay Intertechnology, Inc. |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 300.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE |
| Mounting Facility Quantity | 1 |
| Mounting Method | THREADED STUD(S) |
| Features Provided | HERMETICALLY SEALED CASE AND REVERSE POLARITY |
| Overall Width Across Flats | 1.218 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.750 INCHES IN |
| Current Rating Per Characteristic | 275.00 AMPERES MAXIMUM REVERSE CURRENT, DC |
| Function for Which Designed | RECTIFIER |
| Material | SILICON SEMICONDUCTOR |
| Terminal Type and Quantity | 1 INSULATED WIRE LEAD W/TERMINAL 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 |
|---|---|
| VS-300UR30A | Vishay Semiconductor Gmbh Vishay Intertechnology (DEU) |
| 300UR30A PRIMARY | Vishay Intertechnology, Inc. (USA) |
| W10933-3 PRIMARY | Hobart Bros Co (USA) |
| Reference | Meaning |
|---|---|
| 300UR30A | 5/1 Secondary reference U.S. Government activity |
| R5330 | C/1 Advisory reference — outside the item-of-supply concept Fmc Technologies Inc Div Material Handling Solutions |
| 300UR30A | 5/9 Secondary reference International Rectifier Corporation |
NSN 5961-00-997-5176 is a Semiconductor Device,diode, manufactured by Vishay Intertechnology, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-997-5176 has 3 manufacturer part numbers on file: VS-300UR30A (Vishay Semiconductor Gmbh Vishay Intertechnology), 300UR30A (Vishay Intertechnology, Inc.), W10933-3 (Hobart Bros Co).
Key specifications for 300UR30A: Voltage Rating in Volts Per Characteristic: 300.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S); Overall Length: 2.937 INCHES NOMINAL 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.
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.