The Transistor, cataloged under National Stock Number 5961-00-075-1518, 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 Unison Industries Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-00-075-1518 |
| Primary Part Number | 2N1651 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Internal Junction Configuration | PNP |
| Semiconductor Material | GERMANIUM |
| Internal Configuration | JUNCTION CONTACT |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| 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 |
|---|---|
| 2N1651 PRIMARY | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 2N1651 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
NSN 5961-00-075-1518 is a Transistor, manufactured by Unison Industries Llc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-075-1518 has 1 manufacturer part number on file: 2N1651 (Unison Industries Llc).
1 possible match (shared part number, not a government interchangeability claim): 5961-00-989-4435. Verify interchangeability with system specifications before substitution.
Key specifications for 2N1651: Internal Junction Configuration: PNP; Semiconductor Material: GERMANIUM; Internal Configuration: JUNCTION CONTACT; Terminal Type and Quantity: 2 TAB, SOLDER LUG. 4 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.