The Transistor, cataloged under National Stock Number 5961-00-020-7992, 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 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-020-7992 |
| Primary Part Number | SG1858 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Texas Instruments Incorporated |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER REVERSE VOLTAGE AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Overall Diameter | 0.230 INCHES MAXIMUM IN |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Internal Junction Configuration | NPN |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.100 INCHES NOMINAL IN |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 4.0 WATTS MAXIMUM TOTAL 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 |
|---|---|
| SG1858 PRIMARY | Texas Instruments Incorporated (USA) |
| Reference | Meaning |
|---|---|
| FM910 | 5/9 Secondary reference Fairchild Semiconductor Corp |
| 207038P1 | 7/2 Vendor item drawing reference U.S. Government activity |
| ST89013 | 5/9 Secondary reference Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp |
| CDQ16174 | 5/9 Secondary reference Telcom Semiconductor Inc |
NSN 5961-00-020-7992 is a Transistor, manufactured by Texas Instruments Incorporated, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-020-7992 has 1 manufacturer part number on file: SG1858 (Texas Instruments Incorporated).
Key specifications for SG1858: Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER REVERSE VOLTAGE AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Overall Diameter: 0.230 INCHES MAXIMUM IN; Terminal Length: 0.500 INCHES MINIMUM IN. 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.