PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

581R155H01Microcircuit,digital

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5962-00-621-4534 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-00-621-4534 — this item is cataloged by the U.S. Government under National Stock Number 5962-00-621-4534. Primary manufacturer part number: 581R155H01.
Features
  • Microcircuit,digital — FSC 5962
  • 5 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-00-621-4534, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 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)
ManufacturersFreescale Semiconductor, Inc. (CAGE 04713); Microsemi Corp Analog Mixed Signal Group (CAGE 34333); Philips Semiconductors Inc (CAGE 18324); Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 97942)
Technical Specifications
ParameterValue
NSN5962-00-621-4534
Primary Part Number581R155H01
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5962-00-146-3554535151-2 INTERCHANGEABLE
Microcircuit,linear
Raytheon Company Dba Raytheon
5962-00-173-4077 INTERCHANGEABLE
Microcircuit,digital
5962-00-175-4565373725-1 INTERCHANGEABLE
Microcircuit,linear
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5962-00-435-5249 INTERCHANGEABLE
Microcircuit,linear
5962-00-472-3665 INTERCHANGEABLE
Microcircuit,linear
5962-01-068-6036351-1067-020 INTERCHANGEABLE
Microcircuit,linear
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5962-01-293-4103586R631H01 INTERCHANGEABLE
Microcircuit,linear
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
SC12201LH Freescale Semiconductor, Inc. (USA)
SG8434 Microsemi Corp Analog Mixed Signal Group (USA)
CG371F Philips Semiconductors Inc (USA)
MC1595L Freescale Semiconductor, Inc. (USA)
581R155H01 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5962-00-146-3554INTERCHANGEABLE
MICROCIRCUIT,LINEAR
535151-2
5962-00-173-4077INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-00-175-4565INTERCHANGEABLE
MICROCIRCUIT,LINEAR
373725-1
5962-00-435-5249INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-00-472-3665INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-068-6036INTERCHANGEABLE
MICROCIRCUIT,LINEAR
351-1067-020
5962-01-293-4103INTERCHANGEABLE
MICROCIRCUIT,LINEAR
586R631H01

Frequently Asked Questions

What is NSN 5962-00-621-4534?

NSN 5962-00-621-4534 is a Microcircuit,digital, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-00-621-4534?

NSN 5962-00-621-4534 has 5 cross-referenced part numbers: SC12201LH (Freescale Semiconductor, Inc.), SG8434 (Microsemi Corp Analog Mixed Signal Group), CG371F (Philips Semiconductors Inc), MC1595L (Freescale Semiconductor, Inc.), 581R155H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5962-00-621-4534?

There are 7 known substitutes for 5962-00-621-4534: 5962-00-146-3554, 5962-00-173-4077, 5962-00-175-4565 and 4 more. Verify interchangeability with system specifications before substitution.

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