PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SD77999Microcircuit

National Semiconductor Corporation · NSN 5962-01-277-2917 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-277-2917 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-277-2917. Primary manufacturer part number: SD77999.
Features
  • Microcircuit — FSC 5962
  • 4 verified cross-references
  • Primary manufacturer: National Semiconductor Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit, cataloged under National Stock Number 5962-01-277-2917, 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. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameMicrocircuit
FSC / FSG5962 — No Item Name Available (FSG 59)
ManufacturersTexas Instruments Incorporated (CAGE 01295); National Semiconductor Corporation (CAGE 27014); Rockwell Collins, Inc. Dba Rc Displays Systems (CAGE 09344)
Technical Specifications
ParameterValue
NSN5962-01-277-2917
Primary Part NumberSD77999
Item NameMicrocircuit
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNational Semiconductor Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5962-01-058-4866 INTERCHANGEABLE
Microcircuit,digital
5962-01-122-9305725000-285 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
Cross-Reference Index
Part NumberManufacturer
SNJ54LS112AJ Texas Instruments Incorporated (USA)
MPD12382J Texas Instruments Incorporated (USA)
SD77999 PRIMARY National Semiconductor Corporation (USA)
PC73631-1 PRIMARY Rockwell Collins, Inc. Dba Rc Displays Systems (USA)
Related Parts
5962-01-058-4866INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-122-9305INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
725000-285

Frequently Asked Questions

What is NSN 5962-01-277-2917?

NSN 5962-01-277-2917 is a Microcircuit, manufactured by National Semiconductor Corporation, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-277-2917?

NSN 5962-01-277-2917 has 4 cross-referenced part numbers: SNJ54LS112AJ (Texas Instruments Incorporated), MPD12382J (Texas Instruments Incorporated), SD77999 (National Semiconductor Corporation), PC73631-1 (Rockwell Collins, Inc. Dba Rc Displays Systems).

What NSN replaces 5962-01-277-2917?

There are 2 known substitutes for 5962-01-277-2917: 5962-01-058-4866, 5962-01-122-9305. Verify interchangeability with system specifications before substitution.

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