The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-224-3665, 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 Fdh Defense Aftermarket, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-224-3665 |
| Primary Part Number | 934A182-2 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Fdh Defense Aftermarket, Llc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 300.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS AMBIENT AIR DEGC |
| Mounting Facility Quantity | 1 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | DO-4 |
| Mounting Method | THREADED STUD(S) |
| Features Provided | HERMETICALLY SEALED CASE |
| Overall Width Across Flats | 0.437 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.190 INCHES IN |
| Current Rating Per Characteristic | 300.00 AMPERES MAXIMUM FORWARD CURRENT, DC AND 20.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE |
| Material | SILICON SEMICONDUCTOR |
| Terminal Type and Quantity | 1 TAB, SOLDER LUG AND 1 THREADED STUD |
| Thread Series Designator | UNF |
| Power Rating Per Characteristic | 1.5 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 |
|---|---|
| 934A182-2 | Fdh Defense Aftermarket, Llc (USA) |
| UTG8048 | Micro Uspd Inc (USA) |
| 934A182-2 | Hamilton Sundstrand Corporation (USA) |
| Reference | Meaning |
|---|---|
| 934A182-2 | 3/2 Design control — primary reference U.S. Government activity |
| S 5261 | 5/9 Secondary reference Semicon Components Inc |
| 934A182-2 | 5/9 Secondary reference U.S. Government activity |
| 934A182-2 | 5/9 Secondary reference Unical Aviation, Inc. |
NSN 5961-01-224-3665 is a Semiconductor Device,diode, manufactured by Fdh Defense Aftermarket, Llc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-224-3665 has 3 manufacturer part numbers on file: 934A182-2 (Fdh Defense Aftermarket, Llc), UTG8048 (Micro Uspd Inc), 934A182-2 (Hamilton Sundstrand Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-246-6079. Verify interchangeability with system specifications before substitution.
Key specifications for 934A182-2: Voltage Rating in Volts Per Characteristic: 300.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS AMBIENT AIR DEGC; Mounting Facility Quantity: 1; Joint Electronic Device Engineering Council/jedec/case Outline Designation: DO-4. 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.