The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-433-1983, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-00-433-1983 |
| Primary Part Number | 353-6225-00 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 3.9 MAXIMUM NOMINAL REGULATOR VOLTAGE |
| Mounting Facility Quantity | 1 |
| Mounting Method | THREADED STUD(S) |
| Features Provided | HERMETICALLY SEALED CASE |
| Overall Width Across Flats | 0.437 INCHES NOMINAL IN |
| Nominal Thread Size | 0.190 INCHES IN |
| Current Rating Per Characteristic | 640.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT |
| Material | SILICON SEMICONDUCTOR |
| Material | GLASS ENCLOSURE |
| Terminal Type and Quantity | 1 THREADED STUD AND 1 TAB, SOLDER LUG |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Power Rating Per Characteristic | 10.0 WATTS MAXIMUM TOTAL POWER DISSIPATION |
| 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 |
|---|---|
| 353-6225-00 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 1N3993 | 5/9 Secondary reference Microsemi Corp.-Scottsdale Dba Microsemi |
| 1N3993 | 5/1 Secondary reference Freescale Semiconductor, Inc. |
| 1N3993A | 5/9 Secondary reference Adelco Elektronik Gmbh |
| 1N3993A | C/1 Advisory reference — outside the item-of-supply concept Lacon Electronic Gmbh |
NSN 5961-00-433-1983 is a Semiconductor Device,diode, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-433-1983 has 1 manufacturer part number on file: 353-6225-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
1 possible match (shared part number, not a government interchangeability claim): 5961-00-950-6578. Verify interchangeability with system specifications before substitution.
Key specifications for 353-6225-00: Voltage Rating in Volts Per Characteristic: 3.9 MAXIMUM NOMINAL REGULATOR VOLTAGE; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S); Overall Length: 0.405 INCHES NOMINAL IN. 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.