The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-458-9579, 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 International Diode Corp. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-458-9579 |
| Primary Part Number | 1N4998R |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | International Diode Corp |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 100.0 MAXIMUM REVERSE VOLTAGE, PEAK |
| Maximum Operating Temp Per Measurement Point | 175.0 CELSIUS AMBIENT AIR DEGC |
| Overall Diameter | 0.500 INCHES MAXIMUM IN |
| Terminal Length | 0.900 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 300.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE |
| Specification/standard Data | 80131-RELEASE5300 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Material | SILICON SEMICONDUCTOR |
| Material | GLASS ENCLOSURE |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| 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 |
|---|---|
| 1N4998R | International Diode Corp (USA) |
| 1N4998R | Microsemi Corp - Massachusetts (USA) |
| 1N4998R | Solid State Devices, Inc (USA) |
| Reference | Meaning |
|---|---|
| RELEASE5300 | 5/9 Secondary reference U.S. Government activity |
| 1N4998R | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| 1N4998R | 3/9 Design control — primary reference U.S. Government activity |
NSN 5961-00-458-9579 is a Semiconductor Device,diode, manufactured by International Diode Corp, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-458-9579 has 3 manufacturer part numbers on file: 1N4998R (International Diode Corp), 1N4998R (Microsemi Corp - Massachusetts), 1N4998R (Solid State Devices, Inc).
4 possible matches (shared part number, not a government interchangeability claim): 5961-00-721-3615, 5961-00-904-7496, 5961-00-994-0520. Verify interchangeability with system specifications before substitution.
Key specifications for 1N4998R: Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM REVERSE VOLTAGE, PEAK; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC; Overall Diameter: 0.500 INCHES MAXIMUM IN; Terminal Length: 0.900 INCHES MINIMUM IN. 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.