PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

985105-021Microcircuit,digital

L-3 Services, Inc. Dba Command & Control Systems Software & Expeditionary Operation · NSN 5962-01-235-3123 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-235-3123 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-235-3123. Primary manufacturer part number: 985105-021.
Features
  • Microcircuit,digital — FSC 5962
  • 7 verified cross-references
  • Primary manufacturer: L-3 Services, Inc. Dba Command & Control Systems Software & Expeditionary Operation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-235-3123, 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 L-3 Services, Inc. Dba Command & Control Systems Software & Expeditionary Operation. This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameMicrocircuit,digital
FSC / FSG5962 — No Item Name Available (FSG 59)
ManufacturersRaytheon Company Dba Raytheon Co (CAGE 3B150); Fairchild Semiconductor Corp (CAGE 07263); Raytheon Company Div Corp (CAGE 49956); Texas Instruments Incorporated (CAGE 01295); Philips Semiconductors Inc (CAGE 18324)
Technical Specifications
ParameterValue
NSN5962-01-235-3123
Primary Part Number985105-021
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerL-3 Services, Inc. Dba Command & Control Systems Software & Expeditionary Operation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5962-01-034-9830 INTERCHANGEABLE
Microcircuit,digital
5962-01-039-5027 INTERCHANGEABLE
Microcircuit,digital
5962-01-140-9360SNJ54LS21J INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
Cross-Reference Index
Part NumberManufacturer
54LS21J/883B Raytheon Company Dba Raytheon Co (USA)
54LS21DMQB Fairchild Semiconductor Corp (USA)
54LS21J/883B Raytheon Company Div Corp (USA)
SNJ54LS21J Texas Instruments Incorporated (USA)
S54LS21F/883B Philips Semiconductors Inc (USA)
985105-021 PRIMARY L-3 Services, Inc. Dba Command & Control Systems Software & Expeditionary Operation (USA)
985105-021 Titan Corp the (USA)
Related Parts
5962-01-034-9830INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-039-5027INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-140-9360INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SNJ54LS21J

Frequently Asked Questions

What is NSN 5962-01-235-3123?

NSN 5962-01-235-3123 is a Microcircuit,digital, manufactured by L-3 Services, Inc. Dba Command & Control Systems Software & Expeditionary Operation, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-235-3123?

NSN 5962-01-235-3123 has 7 cross-referenced part numbers: 54LS21J/883B (Raytheon Company Dba Raytheon Co), 54LS21DMQB (Fairchild Semiconductor Corp), 54LS21J/883B (Raytheon Company Div Corp), SNJ54LS21J (Texas Instruments Incorporated), S54LS21F/883B (Philips Semiconductors Inc) and 2 more.

What NSN replaces 5962-01-235-3123?

There are 3 known substitutes for 5962-01-235-3123: 5962-01-034-9830, 5962-01-039-5027, 5962-01-140-9360. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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