The Transistor, cataloged under National Stock Number 5961-01-052-6259, 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 Solid State Devices, Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-052-6259 |
| Primary Part Number | 2N5012 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Solid State Devices, Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 700.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 700.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Overall Diameter | 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Terminal Length | 1.500 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 250.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Specification/standard Data | 80131-RELEASE5461 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.200 INCHES NOMINAL IN |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 2.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION |
| 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 |
|---|---|
| 2N5012 | Solid State Devices, Inc (USA) |
| 2N5012 | Silicon Transistor Corporation Dba Same (USA) |
| Reference | Meaning |
|---|---|
| 2N5012 | 3/9 Design control — primary reference U.S. Government activity |
| V87V0001-5012 | C/1 Advisory reference — outside the item-of-supply concept Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co |
| RELEASE5461 | 5/9 Secondary reference U.S. Government activity |
NSN 5961-01-052-6259 is a Transistor, manufactured by Solid State Devices, Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-052-6259 has 2 manufacturer part numbers on file: 2N5012 (Solid State Devices, Inc), 2N5012 (Silicon Transistor Corporation Dba Same).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-069-4989. Verify interchangeability with system specifications before substitution.
Key specifications for 2N5012: Voltage Rating in Volts Per Characteristic: 700.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 700.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Terminal Length: 1.500 INCHES MINIMUM IN; Mounting Method: TERMINAL. 13 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.