NSN 5961-01-658-6531 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-658-6531. Manufacturer of record part number: 4N25M.
Also searched as5961-01-658-6531 ·
5961016586531 ·
NIIN 016586531 ·
01-658-6531 ·
FSC 5961 Semiconductor Devices and Associated Hardware · CAGE 07263 · 4N25M
Voltage Rating in Volts Per Characteristic: 70.0 NOMINAL BASE SUPPLY VOLTAGE
Mounting Method: PRESS FIT
Semiconductor Material: GALLIUM ARSENIDE
1 manufacturer part number on file
Manufacturer of record: Fairchild Semiconductor Corp
Identification
NSN: 5961-01-658-6531
NIIN: 016586531
FSC: 5961 — Semiconductor Devices and Associated Hardware
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 4N25M
Manufacturer: Fairchild Semiconductor Corp
General Description
The Transistor, cataloged under National Stock Number 5961-01-658-6531, 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. Government technical data includes 3 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5961-01-658-6531
Primary Part Number
4N25M
Item Name
Transistor
FSC / FSG
5961 / 59 — Semiconductor Devices and Associated Hardware
Other items in FSC 5961 — Semiconductor Devices and Associated Hardware
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5961-00-000-0150
RECTIFIER,SEMICONDUCTOR DEVICE,U
5961-00-000-4541
5961-00-000-4541 · Item name not on file
5961-00-000-5400
5961-00-000-5400 · Item name not on file
5961-00-000-7614
5961-00-000-7614 · Item name not on file
5961-00-000-8760
5961-00-000-8760 · Item name not on file
5961-00-001-1352
5961-00-001-1352 · Item name not on file
5961-00-001-2624
5961-00-001-2624 · Item name not on file
5961-00-001-2978
SEMICONDUCTOR DEVICE,DIODE
Frequently Asked Questions
What is NSN 5961-01-658-6531?
NSN 5961-01-658-6531 is a Transistor, manufactured by Fairchild Semiconductor Corp, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
What part numbers are listed for NSN 5961-01-658-6531?
NSN 5961-01-658-6531 has 1 manufacturer part number on file: 4N25M (Fairchild Semiconductor Corp).
What are the specifications of 4N25M?
Key specifications for 4N25M: Overall Height: 5.08 MILLIMETERS NOMINAL MM; Voltage Rating in Volts Per Characteristic: 70.0 NOMINAL BASE SUPPLY VOLTAGE; Mounting Method: PRESS FIT; Semiconductor Material: GALLIUM ARSENIDE. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5961-01-658-6531 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.