The Transistor, cataloged under National Stock Number 5961-00-976-1195, 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 Silicon Transistor Corporation Dba Same. Government technical data includes 12 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-00-976-1195 |
| Primary Part Number | 2N1531A |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Silicon Transistor Corporation Dba Same |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Maximum Operating Temp Per Measurement Point | 100.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 2 |
| Overall Diameter | 0.875 INCHES MAXIMUM IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | GERMANIUM |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Specification/standard Data | 80131-RELEASE3012 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Terminal Type and Quantity | 2 UNINSULATED WIRE LEAD AND 1 CASE |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| 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 |
|---|---|
| 2N1531A | Silicon Transistor Corporation Dba Same (USA) |
| Reference | Meaning |
|---|---|
| RELEASE3012 | 5/9 Secondary reference U.S. Government activity |
| 2N1531A | 5/9 Secondary reference Electronic Transistors Corp |
| 2N1531A | 3/9 Design control — primary reference U.S. Government activity |
| 2N1531A | 5/9 Secondary reference Solitron Devices, Inc. |
| 2N1531A | 5/9 Secondary reference Csr Industries Inc |
| 2N1531A | 5/9 Secondary reference Microsemi Ppc Inc |
NSN 5961-00-976-1195 is a Transistor, manufactured by Silicon Transistor Corporation Dba Same, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-976-1195 has 1 manufacturer part number on file: 2N1531A (Silicon Transistor Corporation Dba Same).
1 possible match (shared part number, not a government interchangeability claim): 5961-00-988-6293. Verify interchangeability with system specifications before substitution.
Key specifications for 2N1531A: Voltage Rating in Volts Per Characteristic: 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 2; Overall Diameter: 0.875 INCHES MAXIMUM IN. 12 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.