The Transistor, cataloged under National Stock Number 5961-00-409-3638, 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 Texas Instruments Incorporated. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-409-3638 |
| Primary Part Number | 2N4043 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Texas Instruments Incorporated |
| Status | ACTIVE |
| Overall Diameter | 0.219 INCHES NOMINAL IN |
| Semiconductor Material | SILICON |
| Internal Configuration | FIELD EFFECT |
| Features Provided | HERMETICALLY SEALED CASE |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Electrode Internally-Electrically Connected to Case | DRAIN |
| 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 |
|---|---|
| 2N4043 PRIMARY | Texas Instruments Incorporated (USA) |
| 657990 | Cae Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 657990 | 5/9 Secondary reference Raytheon Technical Services Company |
| 2N4043A | 5/9 Secondary reference Adelco Elektronik Gmbh |
| 2N4043A | C/1 Advisory reference — outside the item-of-supply concept Lacon Electronic Gmbh |
NSN 5961-00-409-3638 is a Transistor, manufactured by Texas Instruments Incorporated, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-409-3638 has 2 manufacturer part numbers on file: 2N4043 (Texas Instruments Incorporated), 657990 (Cae Usa Inc.).
Key specifications for 2N4043: Overall Diameter: 0.219 INCHES NOMINAL IN; Semiconductor Material: SILICON; Overall Length: 0.190 INCHES NOMINAL IN; Internal Configuration: FIELD EFFECT. 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.
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.