The Transistor, cataloged under National Stock Number 5961-01-031-0133, 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 Varian Associates Inc Communications Transistor Div. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-031-0133 |
| Primary Part Number | 2001 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Varian Associates Inc Communications Transistor Div |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 50.0 NOMINAL BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, WITH BASE SHORT-CIRCUITED TO EMITTER |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 2 |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 0.25 AMPERES NOMINAL COLLECTOR CURRENT, DC |
| Material | CERAMIC ENCLOSURE |
| Terminal Type and Quantity | 4 FERRULE |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 5.0 WATTS MAXIMUM TOTAL POWER DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2001 PRIMARY | Varian Associates Inc Communications Transistor Div (USA) |
| Reference | Meaning |
|---|---|
| A3241 | 5/9 Secondary reference U.S. Government activity |
NSN 5961-01-031-0133 is a Transistor, manufactured by Varian Associates Inc Communications Transistor Div, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-031-0133 has 1 manufacturer part number on file: 2001 (Varian Associates Inc Communications Transistor Div).
1 possible match (shared part number, not a government interchangeability claim): 5996-01-367-8474. Verify interchangeability with system specifications before substitution.
Key specifications for 2001: Overall Height: 0.165 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 50.0 NOMINAL BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, WITH BASE SHORT-CIRCUITED TO EMITTER; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 2. 11 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 5961-01-031-0133 has DEMIL Code Q. 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.