The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-596-3284, 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 Honeywell International Inc Dba Honeywell. Government technical data includes 9 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-596-3284 |
| Primary Part Number | 12040-0021 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Honeywell International Inc Dba Honeywell |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 50.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS JUNCTION DEGC |
| Terminal Length | 0.990 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 5.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE |
| Material | SILICON SEMICONDUCTOR |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| Electrode Internally-Electrically Connected to Case | CATHODE |
| 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 |
|---|---|
| 12040-0021 | Honeywell International Inc Dba Honeywell (USA) |
| 499-020-235 | L3harris Interstate Electronics Corporation (USA) |
| MR820 | Nxp Semiconductors France (FRA) |
| Reference | Meaning |
|---|---|
| 1901-1086 | C/1 Advisory reference — outside the item-of-supply concept Hewlett-Packard Company Dba HP |
| MR820 | 3/9 Design control — primary reference Freescale Semiconductor, Inc. |
| 19D2101 | 5/9 Secondary reference General Electric Co Semi-Conductor Products Dept Power Components Opn |
| MR820A | 5/9 Secondary reference Adelco Elektronik Gmbh |
| MR820 | 5/9 Secondary reference Adelco Elektronik Gmbh |
NSN 5961-00-596-3284 is a Semiconductor Device,diode, manufactured by Honeywell International Inc Dba Honeywell, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-596-3284 has 3 manufacturer part numbers on file: 12040-0021 (Honeywell International Inc Dba Honeywell), 499-020-235 (L3harris Interstate Electronics Corporation), MR820 (Nxp Semiconductors France).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-216-8476. Verify interchangeability with system specifications before substitution.
Key specifications for 12040-0021: Overall Height: 0.316 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 50.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS JUNCTION DEGC; Terminal Length: 0.990 INCHES MINIMUM 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.