The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-221-8240, 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 Lockheed Martin Corporation. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5961-01-221-8240 |
| Primary Part Number | 68391013-001 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 480.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS AND 400.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE |
| 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 | 1.250 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.750 INCHES IN |
| Current Rating Per Characteristic | 300.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE |
| Material | SILICON SEMICONDUCTOR |
| Terminal Type and Quantity | 1 THREADED STUD AND 1 UNINSULATED WIRE LEAD W/TERMINAL LUG |
| 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 |
|---|---|
| 68391013-001 PRIMARY | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 73-4910 | 5/2 Secondary reference U.S. Government activity |
NSN 5961-01-221-8240 is a Semiconductor Device,diode, manufactured by Lockheed Martin Corporation, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-221-8240 has 1 manufacturer part number on file: 68391013-001 (Lockheed Martin Corporation).
Key specifications for 68391013-001: Voltage Rating in Volts Per Characteristic: 480.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS AND 400.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS CASE DEGC; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S). 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.