The Transistor, cataloged under National Stock Number 5961-00-239-9589, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is General Electric Co Semi-Conductor Products Dept. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-239-9589 |
| Primary Part Number | 2N491B |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — No Item Name Available |
| Manufacturer | General Electric Co Semi-Conductor Products Dept |
| Status | ACTIVE |
| Features Provided | HERMETICALLY SEALED CASE |
| Internal Configuration | UNIJUNCTION |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Semiconductor Material | SILICON |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5961-00-239-9589 is a Transistor, manufactured by General Electric Co Semi-Conductor Products Dept, classified under FSC 5961 (No Item Name Available). Status: active.
NSN 5961-00-239-9589 has 3 cross-referenced part numbers: 2N491B (General Electric Co Semi-Conductor Products Dept), 4V15707 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 4V15707 (Lockheed Corp Lockheed Electronics Co Inc).
There is 1 known substitute for 5961-00-239-9589: 5961-00-766-2947. Verify interchangeability with system specifications before substitution.
Key specifications for 2N491B: Features Provided: HERMETICALLY SEALED CASE; Internal Configuration: UNIJUNCTION; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Semiconductor Material: SILICON. 5 total characteristics are documented in the Federal Logistics Information System.