The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-400-1985, 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 Solid State Devices, Inc. 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through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-400-1985 |
| Primary Part Number | 1N2621 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Solid State Devices, Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 9.3 MAXIMUM NOMINAL REGULATOR VOLTAGE |
| Overall Diameter | 0.225 INCHES MAXIMUM IN |
| Terminal Length | 1.350 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 10.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT |
| Specification/standard Data | 80131-RELEASE2986 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Material | SILICON SEMICONDUCTOR |
| Material | GLASS ENCLOSURE |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| Power Rating Per Characteristic | 0.7 MILLIWATTS 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 |
|---|---|
| 1N2621 | Solid State Devices, Inc (USA) |
| 1N2621 | International Diode Corp (USA) |
| 1N2621 | Semitronics Corp (USA) |
| Reference | Meaning |
|---|---|
| 1N2621 | 5/9 Secondary reference Microsemi Corp.-Scottsdale Dba Microsemi |
| 1N2621 | 5/9 Secondary reference C O D I Corp Dba Codi Semiconductor Inc |
| 174-26729-08 | 5/9 Secondary reference Gte Communication Systems Corp |
| 1N2621 | 5/9 Secondary reference Semiconductor Devices Inc |
| RELEASE2986 | 5/9 Secondary reference U.S. Government activity |
| 1N2621 | 3/9 Design control — primary reference U.S. Government activity |
| 1N2621 | 5/9 Secondary reference Trw Electronics and Defense Sector Rf Devices |
| 1N2621 | 5/9 Secondary reference Itt Semiconductors Div |
| 1N2621 | 5/9 Secondary reference General Semiconductor Industries Inc |
| 1N2621 | 5/9 Secondary reference Microsemi Corporation |
| 1N2621 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| 1N2621 | C/1 Advisory reference — outside the item-of-supply concept On Semiconductor Corporation |
NSN 5961-00-400-1985 is a Semiconductor Device,diode, manufactured by Solid State Devices, Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-400-1985 has 3 manufacturer part numbers on file: 1N2621 (Solid State Devices, Inc), 1N2621 (International Diode Corp), 1N2621 (Semitronics Corp).
Key specifications for 1N2621: Voltage Rating in Volts Per Characteristic: 9.3 MAXIMUM NOMINAL REGULATOR VOLTAGE; Overall Diameter: 0.225 INCHES MAXIMUM IN; Terminal Length: 1.350 INCHES MINIMUM IN; Mounting Method: TERMINAL. 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.