The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-00-031-3631, 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 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-00-031-3631 |
| Primary Part Number | CD1266 |
| Item Name | Semiconductor Device,thyristor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Micro Uspd Inc |
| Status | ACTIVE |
| Overall Diameter | 0.352 INCHES NOMINAL IN |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Electrode Internally-Electrically Connected to Case | ANODE |
| 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 |
|---|---|
| CD1266 | Micro Uspd Inc (USA) |
| Reference | Meaning |
|---|---|
| 649A825H01 | 3/2 Design control — primary reference U.S. Government activity |
| W2041 | 5/9 Secondary reference Texas Instruments Incorporated |
| TSD184 | 5/9 Secondary reference Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp |
NSN 5961-00-031-3631 is a Semiconductor Device,thyristor, manufactured by Micro Uspd Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-031-3631 has 1 manufacturer part number on file: CD1266 (Micro Uspd Inc).
1 possible match (shared part number, not a government interchangeability claim): 5961-00-865-2800. Verify interchangeability with system specifications before substitution.
Key specifications for CD1266: Overall Height: 0.250 INCHES NOMINAL IN; Overall Diameter: 0.352 INCHES NOMINAL IN; Semiconductor Material: SILICON; Internal Configuration: JUNCTION CONTACT. 6 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 5961-00-031-3631 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.