PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MM54HC4020J/883Microcircuit,digital

National Semiconductor Corporation · NSN 5962-01-334-6480 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-334-6480 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-334-6480. Primary manufacturer part number: MM54HC4020J/883.
Features
  • Microcircuit,digital — FSC 5962
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Input Circuit Pattern: 14 STAGE
  • Design Function and Quantity: 1 COUNTER, BINARY
  • 4 verified cross-references
  • Primary manufacturer: National Semiconductor Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-334-6480, 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 National Semiconductor Corporation. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-334-6480
Primary Part NumberMM54HC4020J/883
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNational Semiconductor Corporation
StatusACTIVE
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Input Circuit Pattern14 STAGE
Design Function and Quantity1 COUNTER, BINARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5962-01-259-3903 INTERCHANGEABLE
Microcircuit,digital
5962-01-264-6626 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
MM54HC4020J/883 PRIMARY National Semiconductor Corporation (USA)
99143137 Thales Sa (FRA)
99143137 Thales Six Gts France SAS (FRA)
MM54HC4020J/883B National Semiconductor Corporation (USA)
Related Parts
5962-01-259-3903INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-264-6626INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5962-01-334-6480?

NSN 5962-01-334-6480 is a Microcircuit,digital, manufactured by National Semiconductor Corporation, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-334-6480?

NSN 5962-01-334-6480 has 4 cross-referenced part numbers: MM54HC4020J/883 (National Semiconductor Corporation), 99143137 (Thales Sa), 99143137 (Thales Six Gts France SAS), MM54HC4020J/883B (National Semiconductor Corporation).

What NSN replaces 5962-01-334-6480?

There are 2 known substitutes for 5962-01-334-6480: 5962-01-259-3903, 5962-01-264-6626. Verify interchangeability with system specifications before substitution.

What are the specifications of MM54HC4020J/883?

Key specifications for MM54HC4020J/883: Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC; Input Circuit Pattern: 14 STAGE; Design Function and Quantity: 1 COUNTER, BINARY. 3 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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