The Transistor, cataloged under National Stock Number 5961-01-199-8946, 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 Fairchild Semiconductor Corp. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Fairchild Semiconductor Corp (CAGE 07263) |
| Parameter | Value |
|---|---|
| NSN | 5961-01-199-8946 |
| Primary Part Number | PN3645-1 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Fairchild Semiconductor Corp |
| 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 |
|---|---|
| PN3645-1 PRIMARY | Fairchild Semiconductor Corp (USA) |
| Reference | Meaning |
|---|---|
| PN3645-18 | C/1 Advisory reference — outside the item-of-supply concept Fairchild Semiconductor Corp |
| 101367 | 5/9 Secondary reference Systron-Donner Corp Microwave/instrument Div |
NSN 5961-01-199-8946 is a Transistor, manufactured by Fairchild Semiconductor Corp, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-199-8946 has 1 manufacturer part number on file: PN3645-1 (Fairchild Semiconductor Corp).
2 possible matches (shared part number, not a government interchangeability claim): 3120-01-582-6514, 5310-01-619-7475. 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.