The Transistor, cataloged under National Stock Number 5961-01-187-0787, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-187-0787 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-3 |
| Terminal Length | 0.312 INCHES MINIMUM IN |
| Mounting Method | TERMINAL AND UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Features Provided | HERMETICALLY SEALED CASE AND BURN IN |
| Terminal Type and Quantity | 1 CASE AND 2 UNINSULATED WIRE LEAD |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 803549-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5961-01-187-0787 is a Transistor, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-504-6261. Verify interchangeability with system specifications before substitution.
Key specifications for 5961-01-187-0787: Overall Height: 0.250 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN; Mounting Facility Quantity: 2; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-3; Terminal Length: 0.312 INCHES MINIMUM IN. 8 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.
NSN 5961-01-187-0787 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.