PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MM54LS74JMicrocircuit,digital

National Semiconductor Corporation · NSN 5962-01-058-1539 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-058-1539 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-058-1539. Primary manufacturer part number: MM54LS74J.
Features
  • Microcircuit,digital — FSC 5962
  • Body Height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
  • Inclosure Material: CERAMIC AND GLASS
  • Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC
  • Design Function and Quantity: 1 FLIP-FLOP, D-TYPE
  • Features Provided: HERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND LOW POWER AND SCHOTTKY AND PRESETTABLE AND W/CLEAR AND EDGE TRIGGERED AND ELECTROSTATIC SENSITIVE
  • Inclosure Configuration: DUAL-IN-LINE
  • Maximum Power Dissipation Rating: 50.0 MILLIWATTS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-058-1539, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 35 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
NSN5962-01-058-1539
Primary Part NumberMM54LS74J
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNational Semiconductor Corporation
StatusCANCELLED
Body Height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
Inclosure MaterialCERAMIC AND GLASS
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Design Function and Quantity1 FLIP-FLOP, D-TYPE
Features ProvidedHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND LOW POWER AND SCHOTTKY AND PRESETTABLE AND W/CLEAR AND EDGE TRIGGERED AND ELECTROSTATIC SENSITIVE
Inclosure ConfigurationDUAL-IN-LINE
Maximum Power Dissipation Rating50.0 MILLIWATTS
Case Outline Source and DesignatorD-1 MIL-M-38510
Body Length0.785 INCHES MAXIMUM IN
Specification/standard Data81349-MIL-M-38510/301 GOVERNMENT SPECIFICATION
Voltage Rating and Type Per Characteristic5.5 VOLTS MAXIMUM POWER SOURCE
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 Type and Quantity14 PRINTED CIRCUIT
Input Circuit PatternDUAL 4 INPUT
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-034-1690232798 INTERCHANGEABLE
Piston,valve
Eaton Aerospace, Llc Dba Jackson South
5310-00-045-3296MS35338-43 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2520-00-069-9268 INTERCHANGEABLE
Axle Assembly,automotive,driving
6740-00-463-6505 INTERCHANGEABLE
Roller Assembly,pro
5962-00-632-8248SN54LS74AJ INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
2915-00-735-9673405649 INTERCHANGEABLE
Valve-Liner Assembly
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5325-00-804-7653 INTERCHANGEABLE
Ring,retaining
5945-00-865-03755409-7 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
5305-01-005-81011037-032 INTERCHANGEABLE
Screw,cap,socket Head
Woodward, Inc. Div Fuel Systems and Controls
5962-01-006-3606SN74LS74J INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
Cross-Reference Index
Part NumberManufacturer
MM54LS74J National Semiconductor Corporation (USA)
74LS74N Texas Instruments Incorporated (USA)
F17006743 Fsg Inc (USA)
72-00706-207 Raytheon Company (USA)
103132 Systron-Donner Corp Microwave/instrument Div (USA)
DM54LS74J/883C National Semiconductor Corporation (USA)
SN74LS74J Evans Signal Laboratory (USA)
845765-1 Raytheon Company Div Corp (USA)
849LS7-4X Ametek Programmable Power, Inc. (USA)
5497122-22 Naval Sea Systems Command (USA)
0N270560 National Security Agency (USA)
5E8071/27-2Y01 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
5322-209-81647 Philips Electrical Ltd (GBR)
7117561-1 Litton Systems Inc Guidance and Control Systems Div (USA)
51NW9615C25 Freescale Semiconductor, Inc. (USA)
15-1216652-13 General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
SN74LS74J-00 Texas Instruments Incorporated (USA)
DM74LS74NA National Semiconductor Corp (USA)
SN74LS74AJ Texas Instruments Inc (USA)
74LS74J Fairchild Semiconductor Corp (USA)
Related Parts
4820-00-034-1690INTERCHANGEABLE
PISTON,VALVE
232798
5310-00-045-3296INTERCHANGEABLE
WASHER,LOCK
MS35338-43
2520-00-069-9268INTERCHANGEABLE
AXLE ASSEMBLY,AUTOMOTIVE,DRIVING
6740-00-463-6505INTERCHANGEABLE
ROLLER ASSEMBLY,PRO
5962-00-632-8248INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN54LS74AJ
2915-00-735-9673INTERCHANGEABLE
VALVE-LINER ASSEMBLY
405649
5325-00-804-7653INTERCHANGEABLE
RING,RETAINING
5945-00-865-0375INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5409-7
5305-01-005-8101INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
1037-032
5962-01-006-3606INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN74LS74J
5945-01-010-7931INTERCHANGEABLE
RELAY,REED
5962-01-015-5994INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
DM54LS74J/883B

Frequently Asked Questions

What is NSN 5962-01-058-1539?

NSN 5962-01-058-1539 is a Microcircuit,digital, manufactured by National Semiconductor Corporation, classified under FSC 5962 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5962-01-058-1539?

NSN 5962-01-058-1539 has 50 cross-referenced part numbers: MM54LS74J (National Semiconductor Corporation), 74LS74N (Texas Instruments Incorporated), F17006743 (Fsg Inc), 72-00706-207 (Raytheon Company), 103132 (Systron-Donner Corp Microwave/instrument Div) and 45 more.

What NSN replaces 5962-01-058-1539?

There are 12 known substitutes for 5962-01-058-1539: 4820-00-034-1690, 5310-00-045-3296, 2520-00-069-9268 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MM54LS74J?

Key specifications for MM54LS74J: Body Height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN; Inclosure Material: CERAMIC AND GLASS; Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC; Design Function and Quantity: 1 FLIP-FLOP, D-TYPE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5962-01-058-1539 still in active supply?

NSN 5962-01-058-1539 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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