The Transistor, cataloged under National Stock Number 5961-00-732-2525, 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 Microsemi Corp - Massachusetts. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-00-732-2525 |
| Primary Part Number | 2N1871A |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Microsemi Corp - Massachusetts |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 2.5 MAXIMUM ON-STATE VOLTAGE, DC |
| Maximum Operating Temp Per Measurement Point | 159.0 CELSIUS CASE DEGC |
| Overall Diameter | 0.290 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Current Rating Per Characteristic | 2.00 AMPERES MAXIMUM ON-STATE CURRENT, DC |
| Terminal Type and Quantity | 3 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.200 INCHES NOMINAL IN |
| 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 |
|---|---|
| 8595223-001 | General Motors Corp (USA) |
| 2N1871A PRIMARY | Microsemi Corp - Massachusetts (USA) |
| Reference | Meaning |
|---|---|
| 8595223-001 | 5/9 Secondary reference U.S. Government activity |
| 2N1871AA | 5/9 Secondary reference Adelco Elektronik Gmbh |
| 2N1871A | 5/9 Secondary reference Adelco Elektronik Gmbh |
| 2N1871A | 5/9 Secondary reference Micro Uspd Inc |
NSN 5961-00-732-2525 is a Transistor, manufactured by Microsemi Corp - Massachusetts, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-732-2525 has 2 manufacturer part numbers on file: 8595223-001 (General Motors Corp), 2N1871A (Microsemi Corp - Massachusetts).
1 possible match (shared part number, not a government interchangeability claim): 5961-00-959-8549. Verify interchangeability with system specifications before substitution.
Key specifications for 2N1871A: Voltage Rating in Volts Per Characteristic: 2.5 MAXIMUM ON-STATE VOLTAGE, DC; Maximum Operating Temp Per Measurement Point: 159.0 CELSIUS CASE DEGC; Overall Diameter: 0.290 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Terminal Length: 0.500 INCHES MINIMUM IN. 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.