PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AD821Semiconductor Devices,unitized

Analog Devices, Inc. Div Corporate Headquarters · NSN 5961-01-033-0720 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-033-0720 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-033-0720. Primary manufacturer part number: AD821.
Features
  • Semiconductor Devices,unitized — FSC 5961
  • Overall Diameter: 0.230 INCHES MAXIMUM IN
  • Component Name and Quantity: 2 TRANSISTOR
  • 2 verified cross-references
  • Primary manufacturer: Analog Devices, Inc. Div Corporate Headquarters
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Devices,unitized, cataloged under National Stock Number 5961-01-033-0720, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Analog Devices, Inc. Div Corporate Headquarters. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-033-0720
Primary Part NumberAD821
Item NameSemiconductor Devices,unitized
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerAnalog Devices, Inc. Div Corporate Headquarters
StatusACTIVE
Overall Diameter0.230 INCHES MAXIMUM IN
Component Name and Quantity2 TRANSISTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5961-00-255-9075L00968 INTERCHANGEABLE
Transistor
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5961-00-402-7743295717 INTERCHANGEABLE
Semiconductor Devices,unitized
Fluke Corp
5961-00-465-8439515332-1 INTERCHANGEABLE
Transistor
L3harris Technologies, Inc. Dba Harris Corporation
5961-00-938-4907 INTERCHANGEABLE
Semiconductor Devices,unitized
5961-01-078-6808PF100 INTERCHANGEABLE
Semiconductor Device,photo
Micro Uspd Inc
5961-01-079-9112 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
AD821 PRIMARY Analog Devices, Inc. Div Corporate Headquarters (USA)
DMS 81023B Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
Related Parts
5961-00-255-9075INTERCHANGEABLE
TRANSISTOR
L00968
5961-00-402-7743INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
295717
5961-00-465-8439INTERCHANGEABLE
TRANSISTOR
515332-1
5961-00-938-4907INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
5961-01-078-6808INTERCHANGEABLE
SEMICONDUCTOR DEVICE,PHOTO
PF100
5961-01-079-9112INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-033-0720?

NSN 5961-01-033-0720 is a Semiconductor Devices,unitized, manufactured by Analog Devices, Inc. Div Corporate Headquarters, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-033-0720?

NSN 5961-01-033-0720 has 2 cross-referenced part numbers: AD821 (Analog Devices, Inc. Div Corporate Headquarters), DMS 81023B (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).

What NSN replaces 5961-01-033-0720?

There are 6 known substitutes for 5961-01-033-0720: 5961-00-255-9075, 5961-00-402-7743, 5961-00-465-8439 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AD821?

Key specifications for AD821: Overall Diameter: 0.230 INCHES MAXIMUM IN; Component Name and Quantity: 2 TRANSISTOR; Overall Height: 0.210 INCHES MAXIMUM IN; Special Features: ALL TRANSISTOR JUNCTION PATTERN ARRANGEMENT: PNP. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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