The Transistor, cataloged under National Stock Number 5961-01-057-4535, 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 L3harris Technologies, Inc.. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-057-4535 |
| Primary Part Number | 2137187 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 1000.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN |
| Maximum Operating Temp Per Measurement Point | 100.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 2 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-3 |
| Overall Diameter | 0.875 INCHES MAXIMUM IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT-DARLINGTON CONNECTED |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 2.00 AMPERES MAXIMUM BASE CURRENT, DC AND 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD AND 1 CASE |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 100.0 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 |
|---|---|
| DTS-804 | Semitronics Corp (USA) |
| STI-804 | Semiconductor Technology, Inc. Dba Semiconductor Technology Inc (USA) |
| 2137187 PRIMARY | L3harris Technologies, Inc. (USA) |
| SDT804 | Solitron Devices, Inc. (USA) |
| 2137753 | L3harris Technologies, Inc. (USA) |
| 352250020147 | Thales Nederland (NLD) |
| Reference | Meaning |
|---|---|
| DTS-804 | 5/9 Secondary reference General Motors Corp Delco Electronics Div |
| 380-0205-000 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| DTS-804 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5961-01-057-4535 is a Transistor, manufactured by L3harris Technologies, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-057-4535 has 6 manufacturer part numbers on file: DTS-804 (Semitronics Corp), STI-804 (Semiconductor Technology, Inc. Dba Semiconductor Technology Inc), 2137187 (L3harris Technologies, Inc.), SDT804 (Solitron Devices, Inc.), 2137753 (L3harris Technologies, Inc.) and 1 more.
2 possible matches (shared part number, not a government interchangeability claim): 5961-01-174-2771, 5961-01-442-1222. Verify interchangeability with system specifications before substitution.
Key specifications for 2137187: Voltage Rating in Volts Per Characteristic: 1000.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN; Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 2; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-3. 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.