The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-00-481-0704, 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 Business Machines Corp Parts Order Center Dept E - 54. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-481-0704 |
| Primary Part Number | 5219971 |
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | International Business Machines Corp Parts Order Center Dept E - 54 |
| Status | ACTIVE |
| Semiconductor Material | SILICON |
| Features Provided | HERMETICALLY SEALED CASE |
| Overall Width Across Flats | 0.437 INCHES NOMINAL IN |
| Electrode Internally-Electrically Connected to Case | ANODE |
| 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 |
|---|---|
| 5219971 PRIMARY | International Business Machines Corp Parts Order Center Dept E - 54 (USA) |
| Reference | Meaning |
|---|---|
| 5219971 | 5/9 Secondary reference International Business Machines Corporation Dba IBM |
| 2611795 | C/1 Advisory reference — outside the item-of-supply concept Erie Strayer Co |
NSN 5961-00-481-0704 is a Semiconductor Device,thyristor, manufactured by International Business Machines Corp Parts Order Center Dept E - 54, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-481-0704 has 1 manufacturer part number on file: 5219971 (International Business Machines Corp Parts Order Center Dept E - 54).
Key specifications for 5219971: Semiconductor Material: SILICON; Features Provided: HERMETICALLY SEALED CASE; Overall Width Across Flats: 0.437 INCHES NOMINAL IN; Special Features: TERMINAL TYPE WIRE LEAD W/TERMINAL LUG; JUNCTION PATTERN ARRANGEMENT: NPN. 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.
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.