PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SN74LS21NMicrocircuit,digital

Texas Instruments Incorporated · NSN 5962-01-038-3455 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-038-3455 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-038-3455. Primary manufacturer part number: SN74LS21N.
Features
  • Microcircuit,digital — FSC 5962
  • Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC
  • Input Circuit Pattern: DUAL 4 INPUT
  • Inclosure Configuration: DUAL-IN-LINE
  • Operating Temp Range: +0.0 TO 70.0 CELSIUS DEGC
  • Inclosure Material: PLASTIC
  • Design Function and Quantity: 2 GATE, AND
  • Features Provided: BIPOLAR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-038-3455, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-038-3455
Primary Part NumberSN74LS21N
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerTexas Instruments Incorporated
StatusACTIVE
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Input Circuit PatternDUAL 4 INPUT
Inclosure ConfigurationDUAL-IN-LINE
Operating Temp Range+0.0 TO 70.0 CELSIUS DEGC
Inclosure MaterialPLASTIC
Design Function and Quantity2 GATE, AND
Features ProvidedBIPOLAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5962-01-034-9830 INTERCHANGEABLE
Microcircuit,digital
5962-01-248-9490SN74LS21NP3 INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
3130-01-359-6862R305210 INTERCHANGEABLE
Housing,bearing Unit
Meritor Heavy Vehicle Systems, Llc
Cross-Reference Index
Part NumberManufacturer
540040021 Cae (uk) Plc (GBR)
SN74LS21N PRIMARY Texas Instruments Incorporated (USA)
172-0021 Autek Systems Corp (USA)
305-210 Rs Components SAS (FRA)
SN74LS21N Adelco Elektronik Gmbh (DEU)
507624-12 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
SM-C-739733 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
SN74LS21NA Adelco Elektronik Gmbh (DEU)
SN74LS21N Rs Components SAS (FRA)
305-210 Rs Components Limited (GBR)
Related Parts
5962-01-034-9830INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-248-9490INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN74LS21NP3
3130-01-359-6862INTERCHANGEABLE
HOUSING,BEARING UNIT
R305210

Frequently Asked Questions

What is NSN 5962-01-038-3455?

NSN 5962-01-038-3455 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 5962-01-038-3455?

NSN 5962-01-038-3455 has 10 cross-referenced part numbers: 540040021 (Cae (uk) Plc), SN74LS21N (Texas Instruments Incorporated), 172-0021 (Autek Systems Corp), 305-210 (Rs Components SAS), SN74LS21N (Adelco Elektronik Gmbh) and 5 more.

What NSN replaces 5962-01-038-3455?

There are 3 known substitutes for 5962-01-038-3455: 5962-01-034-9830, 5962-01-248-9490, 3130-01-359-6862. Verify interchangeability with system specifications before substitution.

What are the specifications of SN74LS21N?

Key specifications for SN74LS21N: Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC; Input Circuit Pattern: DUAL 4 INPUT; Inclosure Configuration: DUAL-IN-LINE; Operating Temp Range: +0.0 TO 70.0 CELSIUS DEGC. 7 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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