The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-780-8663, 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 Fmc Technologies Inc Div Material Handling Solutions. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-780-8663 |
| Primary Part Number | 1N3742 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Fmc Technologies Inc Div Material Handling Solutions |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 1000.0 MAXIMUM REVERSE VOLTAGE, PEAK |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS CASE DEGC |
| Mounting Facility Quantity | 1 |
| Mounting Method | THREADED STUD(S) |
| Features Provided | HERMETICALLY SEALED CASE |
| Overall Width Across Flats | 1.212 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Current Rating Per Characteristic | 250.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE |
| Specification/standard Data | 80131-RELEASE3925 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Material | SILICON SEMICONDUCTOR |
| Material | GLASS ENCLOSURE |
| 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 |
|---|---|
| 1N3742 | Fmc Technologies Inc Div Material Handling Solutions (USA) |
| 1N3742 | Solid State Devices, Inc (USA) |
| 1N3742 | Semitronics Corp (USA) |
| 1N3742 | Edal Industries, Inc. Dba Edal Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 1N3742 | 3/9 Design control — primary reference U.S. Government activity |
| 1N3742 | 5/9 Secondary reference General Electric Co Semi-Conductor Products Dept |
| BX10-254-80 | 5/9 Secondary reference Nei Peebles-Electric Products Inc |
| 1N3742 | 5/9 Secondary reference General Electric Co Semi-Conductor Products Dept Power Components Opn |
| 2920709 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| RELEASEN0-3925C | 5/9 Secondary reference U.S. Government activity |
| 1N3742 | 5/2 Secondary reference U.S. Government activity |
| 1N3742 | 5/9 Secondary reference Westinghouse Electric Corp Semiconductor Div |
NSN 5961-00-780-8663 is a Semiconductor Device,diode, manufactured by Fmc Technologies Inc Div Material Handling Solutions, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-780-8663 has 4 manufacturer part numbers on file: 1N3742 (Fmc Technologies Inc Div Material Handling Solutions), 1N3742 (Solid State Devices, Inc), 1N3742 (Semitronics Corp), 1N3742 (Edal Industries, Inc. Dba Edal Industries Inc).
Key specifications for 1N3742: Voltage Rating in Volts Per Characteristic: 1000.0 MAXIMUM REVERSE VOLTAGE, PEAK; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS CASE DEGC; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S). 13 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.