The Transistor, cataloged under National Stock Number 5961-01-399-6502, 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 Keysight Technologies Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Transistor |
| FSC / FSG | 5961 — Semiconductor Devices and Associated Hardware (FSG 59) |
| Manufacturers | Siliconix Incorporated Div Siliconix (CAGE 17856); Keysight Technologies Inc (CAGE 7ZXR5) |
| Parameter | Value |
|---|---|
| NSN | 5961-01-399-6502 |
| Primary Part Number | 1855-0798 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| TP0610T | Siliconix Incorporated Div Siliconix (USA) |
| 1855-0798 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 1855-0798 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 1855-0798 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5961-01-399-6502 is a Transistor, manufactured by Keysight Technologies Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-399-6502 has 2 manufacturer part numbers on file: TP0610T (Siliconix Incorporated Div Siliconix), 1855-0798 (Keysight Technologies Inc).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-551-3596. Verify interchangeability with system specifications before substitution.
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.