PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DM54LS74AJMicrocircuit,digital

National Semiconductor Corporation · NSN 5962-01-170-2342 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-170-2342 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-170-2342. Primary manufacturer part number: DM54LS74AJ.
Features
  • Microcircuit,digital — FSC 5962
  • Inclosure Material: CERAMIC
  • Input Circuit Pattern: DUAL 4 INPUT
  • Design Function and Quantity: 2 FLIP-FLOP, D-TYPE
  • Special Test Features: TESTED PER BASE TEN SYSTEMS DWG 20299
  • Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC
  • Inclosure Configuration: DUAL-IN-LINE
  • Body Width: 0.280 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 5962-01-170-2342, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 8 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
NSN5962-01-170-2342
Primary Part NumberDM54LS74AJ
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNational Semiconductor Corporation
StatusCANCELLED
Inclosure MaterialCERAMIC
Input Circuit PatternDUAL 4 INPUT
Design Function and Quantity2 FLIP-FLOP, D-TYPE
Special Test FeaturesTESTED PER BASE TEN SYSTEMS DWG 20299
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Inclosure ConfigurationDUAL-IN-LINE
Body Width0.280 INCHES MAXIMUM IN
Body Height0.180 INCHES NOMINAL IN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Length0.785 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2030-00-190-8059 INTERCHANGEABLE
Steering Assembly
5310-00-197-5326390012PC299 INTERCHANGEABLE
Washer,flat
Naval Ship Systems Command
5950-00-323-16797409925P1 INTERCHANGEABLE
Transformer,power
General Electric Company
5962-00-632-8248SN54LS74AJ INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5985-01-020-1129MSM-2029-25-009-07 INTERCHANGEABLE
Dummy Load,electrical
Cinch Connectivity Solutions Inc
5962-01-025-3138615396-901 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company
5962-01-058-1539 INTERCHANGEABLE
Microcircuit,digital
5306-01-069-921420299 INTERCHANGEABLE
Bolt
Silver King Refrigeration Inc.
5962-01-193-5819100A365-1 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Rotary and Mission Systems
5962-01-193-5820100A365-2 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Rotary and Mission Systems
Cross-Reference Index
Part NumberManufacturer
DM54LS74AJ PRIMARY National Semiconductor Corporation (USA)
SN54LS74 Texas Instruments Incorporated (USA)
SN54LS74N Texas Instruments Incorporated (USA)
SN54LS74JA Adelco Elektronik Gmbh (DEU)
DM54LS74J National Semiconductor Corporation (USA)
54LS74DM Fairchild Semiconductor Corp (USA)
SN54LS74J Lacon Electronic Gmbh (DEU)
SN54LS74J Adelco Elektronik Gmbh (DEU)
S54LS74F Philips Semiconductors Inc (USA)
SN54LS74J Texas Instruments Incorporated (USA)
SN54LS74J Freescale Semiconductor, Inc. (USA)
20299 PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
DM54LS74J/883 National Semiconductor Corporation (USA)
Related Parts
2030-00-190-8059INTERCHANGEABLE
STEERING ASSEMBLY
5310-00-197-5326INTERCHANGEABLE
WASHER,FLAT
390012PC299
5950-00-323-1679INTERCHANGEABLE
TRANSFORMER,POWER
7409925P1
5962-00-632-8248INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN54LS74AJ
5985-01-020-1129INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
MSM-2029-25-009-07
5962-01-025-3138INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
615396-901
5962-01-058-1539INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5306-01-069-9214INTERCHANGEABLE
BOLT
20299
5962-01-193-5819INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
100A365-1
5962-01-193-5820INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
100A365-2
5998-01-196-8593INTERCHANGEABLE
PRINTED CIRCUIT BOARD
20299
6632-01-690-5776INTERCHANGEABLE
ANALYZER,CLINICAL CHEMISTRY
20299

Frequently Asked Questions

What is NSN 5962-01-170-2342?

NSN 5962-01-170-2342 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 5962-01-170-2342?

NSN 5962-01-170-2342 has 13 cross-referenced part numbers: DM54LS74AJ (National Semiconductor Corporation), SN54LS74 (Texas Instruments Incorporated), SN54LS74N (Texas Instruments Incorporated), SN54LS74JA (Adelco Elektronik Gmbh), DM54LS74J (National Semiconductor Corporation) and 8 more.

What NSN replaces 5962-01-170-2342?

There are 12 known substitutes for 5962-01-170-2342: 2030-00-190-8059, 5310-00-197-5326, 5950-00-323-1679 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DM54LS74AJ?

Key specifications for DM54LS74AJ: Inclosure Material: CERAMIC; Input Circuit Pattern: DUAL 4 INPUT; Design Function and Quantity: 2 FLIP-FLOP, D-TYPE; Special Test Features: TESTED PER BASE TEN SYSTEMS DWG 20299. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5962-01-170-2342 still in active supply?

NSN 5962-01-170-2342 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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