The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-554-8219, 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 Micro Uspd Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-554-8219 |
| Primary Part Number | UES303 |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Micro Uspd Inc |
| Status | ACTIVE |
| Features Provided | HERMETICALLY SEALED CASE |
| Overall Width Across Flats | 0.424 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Material | SILICON SEMICONDUCTOR |
| Terminal Type and Quantity | 1 TAB, SOLDER LUG AND 1 THREADED STUD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| UES303 PRIMARY | Micro Uspd Inc (USA) |
| Reference | Meaning |
|---|---|
| 231280-701 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5961-00-554-8219 is a Semiconductor Device,diode, manufactured by Micro Uspd Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-554-8219 has 1 manufacturer part number on file: UES303 (Micro Uspd Inc).
Key specifications for UES303: Overall Height: 0.405 INCHES MAXIMUM IN; Features Provided: HERMETICALLY SEALED CASE; Overall Width Across Flats: 0.424 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN; Material: SILICON SEMICONDUCTOR. 4 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.
NSN 5961-00-554-8219 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.