PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DM74LS373NMicrocircuit,digital

National Semiconductor Corporation · NSN 5962-01-249-2375 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-249-2375 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-249-2375. Primary manufacturer part number: DM74LS373N.
Features
  • Microcircuit,digital — FSC 5962
  • Body Length: 1.060 INCHES MAXIMUM IN
  • Inclosure Material: SILICON
  • Terminal Type and Quantity: 20 PIN
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Design Function and Quantity: 8 FLIP-FLOP, D-TYPE
  • Body Height: 0.200 INCHES MAXIMUM IN
  • Voltage Rating and Type Per Characteristic: 4.5 VOLTS MINIMUM INPUT AND 5.5 VOLTS MAXIMUM INPUT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-249-2375, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 37 commercial cross-references from 25 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
NSN5962-01-249-2375
Primary Part NumberDM74LS373N
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNational Semiconductor Corporation
StatusCANCELLED
Body Length1.060 INCHES MAXIMUM IN
Inclosure MaterialSILICON
Terminal Type and Quantity20 PIN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Design Function and Quantity8 FLIP-FLOP, D-TYPE
Body Height0.200 INCHES MAXIMUM IN
Voltage Rating and Type Per Characteristic4.5 VOLTS MINIMUM INPUT AND 5.5 VOLTS MAXIMUM INPUT
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.).
Body Outside Diameter0.290 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
Body Width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
Inclosure ConfigurationDUAL-IN-LINE
Specification/standard Data81349-MIL-M-38510/325 GOVERNMENT SPECIFICATION
Maximum Power Dissipation Rating231.0 MILLIWATTS
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Terminal Surface TreatmentSOLDER
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6240-00-065-0111 INTERCHANGEABLE
Lamp,incandescent
3110-00-085-36864019 INTERCHANGEABLE
Cone,tapered Roller Bearing
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
3110-00-100-315815118 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5905-00-101-79594019 INTERCHANGEABLE
Resistor,fixed,wire Wound
Dynalec Corporation
5365-00-120-18859228-N-140-0 INTERCHANGEABLE
Spacer,sleeve
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
3110-00-155-6709 INTERCHANGEABLE
Bearing,ball,annular
5365-00-225-27204019 INTERCHANGEABLE
Bushing,winding
Wakmann Watch Company Inc
2910-00-231-6397 INTERCHANGEABLE
Joint,pedal
3040-00-371-55841111691 INTERCHANGEABLE
Ball Joint
Chrysler Realty Company Llc Dba Daimler Chrysler
5325-00-559-39014L6943 INTERCHANGEABLE
Ring,retaining
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
DM74LS373N National Semiconductor Corporation (USA)
83746-001 Pro-Face America, Llc (USA)
6133533-1 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
MIL-M-38510/325 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1135579G1 L3harris Technologies, Inc. Dba Harris Corporation (USA)
MPD14222J Texas Instruments Incorporated (USA)
SN74LS363J Texas Instruments Incorporated (USA)
191474 Scientific Atlanta Inc (USA)
700656 Datametrics Corporation (USA)
SN74LS373N Bae Systems Global Combat Systems Limited (GBR)
1035092-4 Raytheon Company Div Corp (USA)
1509571G21 L3harris Technologies, Inc. Dba Harris Corporation (USA)
TL11-373 Eldec Aerospace Corp (USA)
SN74LS373J Magher Arthur E Co Inc
DM54LS373J/883 National Semiconductor Corporation (USA)
40-654-5124-08E Meggitt (uk) Ltd Div Meggitt Sensing Systems (GBR)
10172600 Nimikkeistokeskus Ncb Finland (FIN)
M38510/32502BCX Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4037952-473 Honeywell International Inc. Dba Honeywell International (USA)
M38510/32502BEB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6240-00-065-0111INTERCHANGEABLE
LAMP,INCANDESCENT
3110-00-085-3686INTERCHANGEABLE
CONE,TAPERED ROLLER BEARING
4019
3110-00-100-3158INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
15118
5905-00-101-7959INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
4019
5365-00-120-1885INTERCHANGEABLE
SPACER,SLEEVE
9228-N-140-0
3110-00-155-6709INTERCHANGEABLE
BEARING,BALL,ANNULAR
5365-00-225-2720INTERCHANGEABLE
BUSHING,WINDING
4019
2910-00-231-6397INTERCHANGEABLE
JOINT,PEDAL
3040-00-371-5584INTERCHANGEABLE
BALL JOINT
1111691
5325-00-559-3901INTERCHANGEABLE
RING,RETAINING
4L6943
5940-00-636-5426INTERCHANGEABLE
TERMINAL,LUG
1036386
2825-00-760-6592INTERCHANGEABLE
BOX,GEAR
322102

Frequently Asked Questions

What is NSN 5962-01-249-2375?

NSN 5962-01-249-2375 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 5962-01-249-2375?

NSN 5962-01-249-2375 has 37 cross-referenced part numbers: DM74LS373N (National Semiconductor Corporation), 83746-001 (Pro-Face America, Llc), 6133533-1 (Lockheed Martin Corporation Div Rotary and Mission Systems), MIL-M-38510/325 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1135579G1 (L3harris Technologies, Inc. Dba Harris Corporation) and 32 more.

What NSN replaces 5962-01-249-2375?

There are 12 known substitutes for 5962-01-249-2375: 6240-00-065-0111, 3110-00-085-3686, 3110-00-100-3158 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DM74LS373N?

Key specifications for DM74LS373N: Body Length: 1.060 INCHES MAXIMUM IN; Inclosure Material: SILICON; Terminal Type and Quantity: 20 PIN; Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5962-01-249-2375 still in active supply?

NSN 5962-01-249-2375 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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