PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54LS279J/883BMicrocircuit,digital

National Semiconductor Corporation · NSN 5962-01-125-7399 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-125-7399 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-125-7399. Primary manufacturer part number: 54LS279J/883B.
Features
  • Microcircuit,digital — FSC 5962
  • Input Circuit Pattern: QUAD 3-2-2-3 INPUT
  • Body Length: 0.840 INCHES MAXIMUM IN
  • Case Outline Source and Designator: D-2 MIL-M-38510
  • Inclosure Configuration: DUAL-IN-LINE
  • Features Provided: HERMETICALLY SEALED
  • Body Height: 0.140 INCHES MAXIMUM IN
  • Body Width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-125-7399, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-125-7399
Primary Part Number54LS279J/883B
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNational Semiconductor Corporation
StatusACTIVE
Input Circuit PatternQUAD 3-2-2-3 INPUT
Body Length0.840 INCHES MAXIMUM IN
Case Outline Source and DesignatorD-2 MIL-M-38510
Inclosure ConfigurationDUAL-IN-LINE
Features ProvidedHERMETICALLY SEALED
Body Height0.140 INCHES MAXIMUM IN
Body Width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5962-01-015-5991SNJ54LS279AJ INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5962-01-076-6602308733-2 INTERCHANGEABLE
Microcircuit,digital
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5962-01-108-9041 INTERCHANGEABLE
Microcircuit,digital
5962-01-128-1239PC73637-1 INTERCHANGEABLE
Microcircuit,digital
Rockwell Collins, Inc. Dba Rc Displays Systems
Cross-Reference Index
Part NumberManufacturer
54LS279J/883B PRIMARY National Semiconductor Corporation (USA)
2796177-1 Honeywell Intl Inc Defense Avionics Systems (USA)
SNJ54LS279J PRIMARY Texas Instruments Incorporated (USA)
Related Parts
5962-01-015-5991INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SNJ54LS279AJ
5962-01-076-6602INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
308733-2
5962-01-108-9041INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-128-1239INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
PC73637-1

Frequently Asked Questions

What is NSN 5962-01-125-7399?

NSN 5962-01-125-7399 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 5962-01-125-7399?

NSN 5962-01-125-7399 has 3 cross-referenced part numbers: 54LS279J/883B (National Semiconductor Corporation), 2796177-1 (Honeywell Intl Inc Defense Avionics Systems), SNJ54LS279J (Texas Instruments Incorporated).

What NSN replaces 5962-01-125-7399?

There are 4 known substitutes for 5962-01-125-7399: 5962-01-015-5991, 5962-01-076-6602, 5962-01-108-9041 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54LS279J/883B?

Key specifications for 54LS279J/883B: Input Circuit Pattern: QUAD 3-2-2-3 INPUT; Body Length: 0.840 INCHES MAXIMUM IN; Case Outline Source and Designator: D-2 MIL-M-38510; Inclosure Configuration: DUAL-IN-LINE. 8 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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