PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10003Microcircuit,digital

Allegro Microsystems Inc · NSN 5962-00-520-4400 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-00-520-4400 — this item is cataloged by the U.S. Government under National Stock Number 5962-00-520-4400. Primary manufacturer part number: 10003.
Features
  • Microcircuit,digital — FSC 5962
  • Design Function and Quantity: 6 BUFFER
  • 5 verified cross-references
  • Primary manufacturer: Allegro Microsystems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-00-520-4400, is classified within Federal Supply Class 5962 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Allegro Microsystems Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-00-520-4400
Primary Part Number10003
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerAllegro Microsystems Inc
StatusACTIVE
Design Function and Quantity6 BUFFER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5965-00-843-9957 INTERCHANGEABLE
Microphone Element
5340-01-003-02087014M95G03 INTERCHANGEABLE
Clamp,loop
General Electric Company
5962-01-133-8843CD4009MW/883 INTERCHANGEABLE
Microcircuit,digital
National Semiconductor Corporation
5365-01-147-398582577 INTERCHANGEABLE
Spacer
Hdt Expeditionary Systems Inc
5331-01-310-995782577 INTERCHANGEABLE
O-Ring
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
Cross-Reference Index
Part NumberManufacturer
10003 Allegro Microsystems Inc (USA)
CD4009UBK/3 Renesas Electronics America Inc (USA)
3100109-007-109 Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA)
89264UKB3T Renesas Electronics America Inc (USA)
82577 Harris Corp Findlay Opns (USA)
Related Parts
5965-00-843-9957INTERCHANGEABLE
MICROPHONE ELEMENT
5340-01-003-0208INTERCHANGEABLE
CLAMP,LOOP
7014M95G03
5962-01-133-8843INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
CD4009MW/883
5365-01-147-3985INTERCHANGEABLE
SPACER
82577
5331-01-310-9957INTERCHANGEABLE
O-RING
82577

Frequently Asked Questions

What is NSN 5962-00-520-4400?

NSN 5962-00-520-4400 is a Microcircuit,digital, manufactured by Allegro Microsystems Inc, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-00-520-4400?

NSN 5962-00-520-4400 has 5 cross-referenced part numbers: 10003 (Allegro Microsystems Inc), CD4009UBK/3 (Renesas Electronics America Inc), 3100109-007-109 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems), 89264UKB3T (Renesas Electronics America Inc), 82577 (Harris Corp Findlay Opns).

What NSN replaces 5962-00-520-4400?

There are 5 known substitutes for 5962-00-520-4400: 5965-00-843-9957, 5340-01-003-0208, 5962-01-133-8843 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10003?

Key specifications for 10003: Design Function and Quantity: 6 BUFFER. 1 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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