PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MM54C42JMicrocircuit,digital

National Semiconductor Corporation · NSN 5962-01-124-2249 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-124-2249 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-124-2249. Primary manufacturer part number: MM54C42J.
Features
  • Microcircuit,digital — FSC 5962
  • Body Length: 0.785 INCHES MAXIMUM IN
  • Input Circuit Pattern: 4 INPUT
  • Body Width: 0.291 INCHES MAXIMUM IN
  • Maximum Power Dissipation Rating: 500.0 MILLIWATTS
  • Inclosure Configuration: DUAL-IN-LINE
  • Output Logic Form: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
  • Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-124-2249, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5962-01-124-2249
Primary Part NumberMM54C42J
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNational Semiconductor Corporation
StatusACTIVE
Body Length0.785 INCHES MAXIMUM IN
Input Circuit Pattern4 INPUT
Body Width0.291 INCHES MAXIMUM IN
Maximum Power Dissipation Rating500.0 MILLIWATTS
Inclosure ConfigurationDUAL-IN-LINE
Output Logic FormCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Time Rating Per Chacteristic300.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 300.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Height0.130 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
Design Function and Quantity1 DECODER, BINARY CODED DECIMAL TO DECIMAL
Specification/standard Data30377-22312 MANUFACTURERS SOURCE CONTROL
Inclosure MaterialCERAMIC
Features ProvidedHERMETICALLY SEALED AND MONOLITHIC AND LOW POWER AND MEDIUM SPEED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-156-142722312E INTERCHANGEABLE
Bearing,roller,self-Aligning
Skf Usa Inc.
4130-00-369-819622-312 INTERCHANGEABLE
Valve,suction
Thermo King Corporation Dba Phoenix Global Distirbution.
5330-00-470-613122312 INTERCHANGEABLE
Seal,oil
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
5305-00-719-5003MS51959-84 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2920-00-780-08122-2312 INTERCHANGEABLE
Ring
Precision Aerospace Corporation Dba Precision Engine Control
5331-01-124-6390 INTERCHANGEABLE
O-Ring
5330-01-188-084022312 INTERCHANGEABLE
Seal,plain
Kaydon Custom Filtration Corporation
3670-01-398-685022-312 INTERCHANGEABLE
Laminating Machine,printed Circu
Gc/waldom Inc
Cross-Reference Index
Part NumberManufacturer
M38510/658 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MM54C42J PRIMARY National Semiconductor Corporation (USA)
22312 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
MM54C42JA Adelco Elektronik Gmbh (DEU)
MM54C42J Adelco Elektronik Gmbh (DEU)
Related Parts
3110-00-156-1427INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
22312E
4130-00-369-8196INTERCHANGEABLE
VALVE,SUCTION
22-312
5330-00-470-6131INTERCHANGEABLE
SEAL,OIL
22312
5305-00-719-5003INTERCHANGEABLE
SCREW,MACHINE
MS51959-84
2920-00-780-0812INTERCHANGEABLE
RING
2-2312
5331-01-124-6390INTERCHANGEABLE
O-RING
5330-01-188-0840INTERCHANGEABLE
SEAL,PLAIN
22312
3670-01-398-6850INTERCHANGEABLE
LAMINATING MACHINE,PRINTED CIRCU
22-312

Frequently Asked Questions

What is NSN 5962-01-124-2249?

NSN 5962-01-124-2249 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 5962-01-124-2249?

NSN 5962-01-124-2249 has 5 cross-referenced part numbers: M38510/658 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MM54C42J (National Semiconductor Corporation), 22312 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), MM54C42JA (Adelco Elektronik Gmbh), MM54C42J (Adelco Elektronik Gmbh).

What NSN replaces 5962-01-124-2249?

There are 8 known substitutes for 5962-01-124-2249: 3110-00-156-1427, 4130-00-369-8196, 5330-00-470-6131 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MM54C42J?

Key specifications for MM54C42J: Body Length: 0.785 INCHES MAXIMUM IN; Input Circuit Pattern: 4 INPUT; Body Width: 0.291 INCHES MAXIMUM IN; Maximum Power Dissipation Rating: 500.0 MILLIWATTS. 14 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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