The Transistor, cataloged under National Stock Number 5961-01-439-0241, 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 Sac-Tec Labs Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-439-0241 |
| Primary Part Number | 4SL004-2 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Sac-Tec Labs Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 60.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND 60.0 MAXIMUM DRAIN TO GATE VOLTAGE AND 20.0 MAXIMUM GATE TO SOURCE VOLTAGE |
| Maximum Operating Temp Per Measurement Point | 150.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 2 |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | FIELD EFFECT |
| Current Rating Per Characteristic | 37.50 AMPERES MAXIMUM DRAIN CURRENT AND 37.50 AMPERES MAXIMUM SOURCE CURRENT |
| Test Data Document | 82577-H980122 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Terminal Type and Quantity | 3 SCREW |
| Power Rating Per Characteristic | 125.0 WATTS MAXIMUM TOTAL DEVICE 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 |
|---|---|
| 4SL004-2 | Sac-Tec Labs Inc (USA) |
| Reference | Meaning |
|---|---|
| H980122-002B | 3/2 Design control — primary reference U.S. Government activity |
NSN 5961-01-439-0241 is a Transistor, manufactured by Sac-Tec Labs Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-439-0241 has 1 manufacturer part number on file: 4SL004-2 (Sac-Tec Labs Inc).
Key specifications for 4SL004-2: Overall Height: 1.125 INCHES NOMINAL IN; Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM DRAIN TO SOURCE VOLTAGE AND 60.0 MAXIMUM DRAIN TO GATE VOLTAGE AND 20.0 MAXIMUM GATE TO SOURCE VOLTAGE; Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 2. 10 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.