PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54LS279FMQBMicrocircuit,digital

Fairchild Semiconductor Corp · NSN 5962-01-086-9597 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-086-9597 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-086-9597. Primary manufacturer part number: 54LS279FMQB.
Features
  • Microcircuit,digital — FSC 5962
  • Inclosure Configuration: FLAT PACK
  • Current Rating Per Characteristic: 7.00 MILLIAMPERES MAXIMUM SUPPLY
  • Body Height: 0.045 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
  • Features Provided: HERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND LOW POWER AND SCHOTTKY AND W/ENABLE AND MEDIUM SPEED
  • Body Length: 0.440 INCHES MAXIMUM IN
  • Test Data Document: 81349-MIL-M-38510 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Terminal Surface Treatment: SOLDER
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-086-9597, 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 Fairchild Semiconductor Corp. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5962-01-086-9597
Primary Part Number54LS279FMQB
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corp
StatusCANCELLED
Inclosure ConfigurationFLAT PACK
Current Rating Per Characteristic7.00 MILLIAMPERES MAXIMUM SUPPLY
Body Height0.045 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND LOW POWER AND SCHOTTKY AND W/ENABLE AND MEDIUM SPEED
Body Length0.440 INCHES MAXIMUM IN
Test Data Document81349-MIL-M-38510 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Terminal Surface TreatmentSOLDER
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Case Outline Source and DesignatorF-5 MIL-M-38510
Input Circuit Pattern10 INPUT
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Terminal Type and Quantity16 FLAT LEADS
Maximum Power Dissipation Rating38.5 MILLIWATTS
Voltage Rating and Type Per Characteristic7.0 VOLTS MAXIMUM TOTAL SUPPLY
Inclosure MaterialCERAMIC
Body Width0.245 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
Design Function and Quantity4 LATCH, NAND, R/S
Specification/standard Data81349-MIL-M-38510/316 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5962-01-085-0603 INTERCHANGEABLE
Microcircuit,digital
5962-01-088-3107 INTERCHANGEABLE
Microcircuit,digital
5962-01-090-0574 INTERCHANGEABLE
Microcircuit,digital
5962-01-101-7969 INTERCHANGEABLE
Microcircuit,digital
5962-01-103-0605 INTERCHANGEABLE
Microcircuit,digital
5962-01-156-1539 INTERCHANGEABLE
Microcircuit,digital
5962-01-199-9165 INTERCHANGEABLE
Microcircuit,digital
5962-01-235-1330 INTERCHANGEABLE
Microcircuit,digital
5962-01-235-1331 INTERCHANGEABLE
Microcircuit,digital
5962-01-236-1526 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
54LS279FMQB Fairchild Semiconductor Corp (USA)
M38510/31602BFX Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
10136000 Nimikkeistokeskus Ncb Finland (FIN)
85931300-03 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
M38510/31602BFB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-M-38510/316 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M38510/31602BFA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
85921100-26 General Dynamics Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
1-0007-1823-21 Quadri Corp (USA)
85931300-03 General Dynamics Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
SNJ54LS279W Texas Instruments Incorporated (USA)
JM38510/31602BFB Fairchild Semiconductor Corp (USA)
163719-01 Ge Aviation Systems Llc (USA)
S54LS279W883B Philips Semiconductors Inc (USA)
Related Parts
5962-01-085-0603INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-088-3107INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-090-0574INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-101-7969INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-103-0605INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-156-1539INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-199-9165INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-235-1330INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-235-1331INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-236-1526INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-263-9191INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-287-8534INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5962-01-086-9597?

NSN 5962-01-086-9597 is a Microcircuit,digital, manufactured by Fairchild Semiconductor Corp, classified under FSC 5962 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5962-01-086-9597?

NSN 5962-01-086-9597 has 14 cross-referenced part numbers: 54LS279FMQB (Fairchild Semiconductor Corp), M38510/31602BFX (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 10136000 (Nimikkeistokeskus Ncb Finland), 85931300-03 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), M38510/31602BFB (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 9 more.

What NSN replaces 5962-01-086-9597?

There are 12 known substitutes for 5962-01-086-9597: 5962-01-085-0603, 5962-01-088-3107, 5962-01-090-0574 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54LS279FMQB?

Key specifications for 54LS279FMQB: Inclosure Configuration: FLAT PACK; Current Rating Per Characteristic: 7.00 MILLIAMPERES MAXIMUM SUPPLY; Body Height: 0.045 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN; Features Provided: HERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND LOW POWER AND SCHOTTKY AND W/ENABLE AND MEDIUM SPEED. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5962-01-086-9597 still in active supply?

NSN 5962-01-086-9597 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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