The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-331-8055, 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 Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 — Semiconductor Devices and Associated Hardware (FSG 59) |
| Manufacturers | Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division (CAGE 0ACF4); Siemens Ltd (CAGE Z1228) |
| Parameter | Value |
|---|---|
| NSN | 5961-01-331-8055 |
| Primary Part Number | 3TX4490-0C |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 3TX4490-3A | Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division (USA) |
| 3TX4490-0C PRIMARY | Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division (USA) |
| 3TX4490-3A | Siemens Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 3TX4490-0C | C/1 Advisory reference — outside the item-of-supply concept Siemens Components Inc Sub of Siemens Corp |
| 353-5244-010 | C/1 Advisory reference — outside the item-of-supply concept Continental Electronics Corp |
NSN 5961-01-331-8055 is a Semiconductor Device,diode, manufactured by Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-331-8055 has 3 manufacturer part numbers on file: 3TX4490-3A (Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division), 3TX4490-0C (Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division), 3TX4490-3A (Siemens Ltd).
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.