PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

U6A540451XMicrocircuit,digital

National Semiconductor Corporation · NSN 5962-00-503-8035 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-00-503-8035 — this item is cataloged by the U.S. Government under National Stock Number 5962-00-503-8035. Primary manufacturer part number: U6A540451X.
Features
  • Microcircuit,digital — FSC 5962
  • Body Length: 0.785 INCHES NOMINAL IN
  • Body Height: 0.200 INCHES NOMINAL IN
  • Body Width: 0.280 INCHES NOMINAL IN
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • 6 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 5962-00-503-8035, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-00-503-8035
Primary Part NumberU6A540451X
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNational Semiconductor Corporation
StatusACTIVE
Body Length0.785 INCHES NOMINAL IN
Body Height0.200 INCHES NOMINAL IN
Body Width0.280 INCHES NOMINAL IN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5962-00-283-42922784353-1 INTERCHANGEABLE
Microcircuit,digital
Honeywell Intl Inc Defense Avionics Systems
5962-00-410-8354 INTERCHANGEABLE
Microcircuit,digital
5962-00-491-1281301895 INTERCHANGEABLE
Microcircuit,digital
Northrop Grumman Corp Electronic Systems Defensive System Div
5962-00-539-0682SD19456 INTERCHANGEABLE
Microcircuit,digital
National Semiconductor Corporation
5962-00-714-1791394771-2 INTERCHANGEABLE
Microcircuit,digital
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5962-01-040-5153SN5404J INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5962-01-097-0005SN5404J INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5962-01-169-66575404DM INTERCHANGEABLE
Microcircuit,digital
Fairchild Semiconductor Corp
Cross-Reference Index
Part NumberManufacturer
MC5404L Philips Semiconductors Inc (USA)
U6A540451X PRIMARY National Semiconductor Corporation (USA)
2129651-1 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
HL52202 PRIMARY Fairchild Semiconductor Corp (USA)
DM5404D Freescale Semiconductor, Inc. (USA)
S5404F PRIMARY Texas Instruments Incorporated (USA)
Related Parts
5962-00-283-4292INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2784353-1
5962-00-410-8354INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-00-491-1281INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
301895
5962-00-539-0682INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SD19456
5962-00-714-1791INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
394771-2
5962-01-040-5153INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN5404J
5962-01-097-0005INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN5404J
5962-01-169-6657INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5404DM

Frequently Asked Questions

What is NSN 5962-00-503-8035?

NSN 5962-00-503-8035 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 5962-00-503-8035?

NSN 5962-00-503-8035 has 6 cross-referenced part numbers: MC5404L (Philips Semiconductors Inc), U6A540451X (National Semiconductor Corporation), 2129651-1 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), HL52202 (Fairchild Semiconductor Corp), DM5404D (Freescale Semiconductor, Inc.) and 1 more.

What NSN replaces 5962-00-503-8035?

There are 8 known substitutes for 5962-00-503-8035: 5962-00-283-4292, 5962-00-410-8354, 5962-00-491-1281 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of U6A540451X?

Key specifications for U6A540451X: Body Length: 0.785 INCHES NOMINAL IN; Body Height: 0.200 INCHES NOMINAL IN; Body Width: 0.280 INCHES NOMINAL IN; Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC. 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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