NSN 5961-00-646-7944 · NIIN 006467944 · Part number 1N21DR
General Dynamics Mission Systems, Inc. · FSC 5961 — Semiconductor Devices and Associated Hardware · FSG 59 — Electrical and Electronic Equipment Components · CAGE 04655
Government record, cited
NSN 5961-00-646-7944 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-646-7944. Manufacturer of record part number: 1N21DR.
Also searched as5961-00-646-7944 ·
5961006467944 ·
NIIN 006467944 ·
00-646-7944 ·
FSC 5961 Semiconductor Devices and Associated Hardware · CAGE 04655 · 1N21DR · 1401
Terminal Type and Quantity: 1 BINDING POST AND 1 PIN
2 manufacturer part numbers on file
Manufacturer of record: General Dynamics Mission Systems, Inc.
Identification
NSN: 5961-00-646-7944
NIIN: 006467944
FSC: 5961 — Semiconductor Devices and Associated Hardware
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 1N21DR
Manufacturer: General Dynamics Mission Systems, Inc.
General Description
The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-646-7944, 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 General Dynamics Mission Systems, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5961-00-646-7944
Primary Part Number
1N21DR
Item Name
Semiconductor Device,diode
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 5961-00-646-7944?
NSN 5961-00-646-7944 is a Semiconductor Device,diode, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
What part numbers are listed for NSN 5961-00-646-7944?
NSN 5961-00-646-7944 has 2 manufacturer part numbers on file: 1N21DR (General Dynamics Mission Systems, Inc.), 1401 (Plessey South Africa Ltd).
What are the specifications of 1N21DR?
Key specifications for 1N21DR: Features Provided: HERMETICALLY SEALED CASE; Material: SILICON SEMICONDUCTOR; Terminal Type and Quantity: 1 BINDING POST AND 1 PIN. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5961-00-646-7944 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.