The Transistor, cataloged under National Stock Number 5961-01-427-7960, 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. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-427-7960 |
| Primary Part Number | 1853-0516 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Mounting Method | TERMINAL |
| Criticality Code Justification | FEAT |
| Semiconductor Material | SILICON |
| Material | PLASTIC ENCLOSURE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 1853-0516 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 1853-0516 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| MMBTH81LT1 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| MMBTH81 | C/1 Advisory reference — outside the item-of-supply concept Freescale Semiconductor, Inc. |
| 1853-0516 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| MMBTH81LT1 | C/1 Advisory reference — outside the item-of-supply concept On Semiconductor Corporation |
NSN 5961-01-427-7960 is a Transistor, manufactured by Keysight Technologies Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-427-7960 has 1 manufacturer part number on file: 1853-0516 (Keysight Technologies Inc).
Key specifications for 1853-0516: Mounting Method: TERMINAL; Criticality Code Justification: FEAT; Semiconductor Material: SILICON; Overall Length: 3.0 MILLIMETERS NOMINAL MM. 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.