PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SN74LS166ANMicrocircuit,digital

Texas Instruments Incorporated · NSN 5962-01-105-8345 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-105-8345 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-105-8345. Primary manufacturer part number: SN74LS166AN.
Features
  • Microcircuit,digital — FSC 5962
  • Inclosure Material: PLASTIC
  • Inclosure Configuration: DUAL-IN-LINE
  • Time Rating Per Chacteristic: 35.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 35.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
  • Design Function and Quantity: 1 SHIFT REGISTER, SERIAL/PARALLEL IN, SERIAL OUT
  • Body Height: 0.180 INCHES MAXIMUM IN
  • Operating Temp Range: +0.0 TO 70.0 CELSIUS DEGC
  • Body Width: 0.240 INCHES MINIMUM AND 0.260 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 5962-01-105-8345, 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 Texas Instruments Incorporated. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-105-8345
Primary Part NumberSN74LS166AN
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerTexas Instruments Incorporated
StatusACTIVE
Inclosure MaterialPLASTIC
Inclosure ConfigurationDUAL-IN-LINE
Time Rating Per Chacteristic35.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 35.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
Design Function and Quantity1 SHIFT REGISTER, SERIAL/PARALLEL IN, SERIAL OUT
Body Height0.180 INCHES MAXIMUM IN
Operating Temp Range+0.0 TO 70.0 CELSIUS DEGC
Body Width0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Body Length0.870 INCHES MAXIMUM IN
Features ProvidedMONOLITHIC AND LOW POWER AND SCHOTTKY AND W/CLEAR AND W/CLOCK
Maximum Power Dissipation Rating110.0 MILLIWATTS
Input Circuit Pattern13 INPUT
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5962-01-075-6892SN54LS166J-00 INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5962-01-111-78582M934-101 INTERCHANGEABLE
Microcircuit,digital
Northrop Grumman Corp Electronic Systems Defensive System Div
Cross-Reference Index
Part NumberManufacturer
U74LS166 Drs Rugged Systems (europe) Ltd (GBR)
112-6838 Rs Components SAS (FRA)
4014252-01 Thales Uk Limited Dba Thales Uk Ltd Training and Simulation (GBR)
SN74LS166N-00 Texas Instruments Incorporated (USA)
SN74LS166AN Rs Components SAS (FRA)
U74LS166 Leonardo Tactical Systems (GBR)
SN74LS166AN PRIMARY Texas Instruments Incorporated (USA)
DM74LS166N National Semiconductor Corporation (USA)
DM74LS166N Fairchild Semiconductor Corp (USA)
446/4/04193/166 Abaco Systems Limited (GBR)
SN74LS166N Texas Instruments Incorporated (USA)
Related Parts
5962-01-075-6892INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN54LS166J-00
5962-01-111-7858INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2M934-101

Frequently Asked Questions

What is NSN 5962-01-105-8345?

NSN 5962-01-105-8345 is a Microcircuit,digital, manufactured by Texas Instruments Incorporated, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-105-8345?

NSN 5962-01-105-8345 has 11 cross-referenced part numbers: U74LS166 (Drs Rugged Systems (europe) Ltd), 112-6838 (Rs Components SAS), 4014252-01 (Thales Uk Limited Dba Thales Uk Ltd Training and Simulation), SN74LS166N-00 (Texas Instruments Incorporated), SN74LS166AN (Rs Components SAS) and 6 more.

What NSN replaces 5962-01-105-8345?

There are 2 known substitutes for 5962-01-105-8345: 5962-01-075-6892, 5962-01-111-7858. Verify interchangeability with system specifications before substitution.

What are the specifications of SN74LS166AN?

Key specifications for SN74LS166AN: Inclosure Material: PLASTIC; Inclosure Configuration: DUAL-IN-LINE; Time Rating Per Chacteristic: 35.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 35.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS; Design Function and Quantity: 1 SHIFT REGISTER, SERIAL/PARALLEL IN, SERIAL OUT. 13 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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