PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ROM/PROM FAMILY 186Microcircuit

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 5962-01-128-1878 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-128-1878 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-128-1878. Primary manufacturer part number: ROM/PROM FAMILY 186.
Features
  • Microcircuit — FSC 5962
  • 3 verified cross-references
  • Primary manufacturer: Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit, cataloged under National Stock Number 5962-01-128-1878, 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 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameMicrocircuit
FSC / FSG5962 — No Item Name Available (FSG 59)
ManufacturersDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (CAGE 16236); Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 97942); Northrop Grumman Support Services Corp (CAGE 48306)
Technical Specifications
ParameterValue
NSN5962-01-128-1878
Primary Part NumberROM/PROM FAMILY 186
Item NameMicrocircuit
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5962-01-098-10646133736-13 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Rotary and Mission Systems
5962-01-098-10656133736-14 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Rotary and Mission Systems
5962-01-098-96466133736-3 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Rotary and Mission Systems
5962-01-098-96476133736-4 INTERCHANGEABLE
Microcircuit,digital
Lockheed Martin Corporation Div Rotary and Mission Systems
5962-01-149-7290104254-16 INTERCHANGEABLE
Microcircuit,memory
L3harris Technologies, Inc.
5962-01-220-47990475-115 INTERCHANGEABLE
Microcircuit,digital
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5962-01-252-7949G311412-1 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon Co
5962-01-271-736548P228344-01 INTERCHANGEABLE
Microcircuit,memory
Herley Chicago Dba Stewart Warner Electronics
5962-01-277-307949862-1 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5962-01-293-0149 INTERCHANGEABLE
Microcircuit,memory
Cross-Reference Index
Part NumberManufacturer
ROM/PROM FAMILY 186 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
638A313H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
638A313H01 Northrop Grumman Support Services Corp (USA)
Related Parts
5962-01-098-1064INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6133736-13
5962-01-098-1065INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6133736-14
5962-01-098-9646INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6133736-3
5962-01-098-9647INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6133736-4
5962-01-149-7290INTERCHANGEABLE
MICROCIRCUIT,MEMORY
104254-16
5962-01-220-4799INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
0475-115
5962-01-252-7949INTERCHANGEABLE
MICROCIRCUIT,MEMORY
G311412-1
5962-01-271-7365INTERCHANGEABLE
MICROCIRCUIT,MEMORY
48P228344-01
5962-01-277-3079INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
49862-1
5962-01-293-0149INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-308-5513INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-330-7543INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
9966-CCZT

Frequently Asked Questions

What is NSN 5962-01-128-1878?

NSN 5962-01-128-1878 is a Microcircuit, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-128-1878?

NSN 5962-01-128-1878 has 3 cross-referenced part numbers: ROM/PROM FAMILY 186 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 638A313H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 638A313H01 (Northrop Grumman Support Services Corp).

What NSN replaces 5962-01-128-1878?

There are 12 known substitutes for 5962-01-128-1878: 5962-01-098-1064, 5962-01-098-1065, 5962-01-098-9646 and 9 more. Verify interchangeability with system specifications before substitution.

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