The Transistor, cataloged under National Stock Number 5961-00-166-8189, 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 Freescale Semiconductor, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-00-166-8189 |
| Primary Part Number | 2N4233 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Freescale Semiconductor, Inc. |
| Status | ACTIVE |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| 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 |
|---|---|
| 2N4233 PRIMARY | Freescale Semiconductor, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 417-4-03172-000 | 5/9 Secondary reference Siemens Air Traffic Management |
| 1A4859-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5961-00-166-8189 is a Transistor, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-166-8189 has 1 manufacturer part number on file: 2N4233 (Freescale Semiconductor, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-075-5458. Verify interchangeability with system specifications before substitution.
Key specifications for 2N4233: Overall Height: 0.250 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN; Semiconductor Material: SILICON; Overall Length: 1.248 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN; Internal Configuration: JUNCTION CONTACT. 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.