PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

181221Microcircuit,memory

Northrop Grumman Systems Corporation · NSN 5962-01-437-9853 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-437-9853 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-437-9853. Primary manufacturer part number: 181221.
Features
  • Microcircuit,memory — FSC 5962
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,memory, cataloged under National Stock Number 5962-01-437-9853, 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. This item has 3 commercial cross-references from 3 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,memory
FSC / FSG5962 — No Item Name Available (FSG 59)
ManufacturersNaval Surface Warfare Center Dba Port Hueneme Detachent Virginia Beach (CAGE 1SNT7); Northrop Grumman Systems Corporation (CAGE 21877); Laurel Technologies Partnership Div Drs Laurel Technologies (CAGE 6X365)
Technical Specifications
ParameterValue
NSN5962-01-437-9853
Primary Part Number181221
Item NameMicrocircuit,memory
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3040-00-057-9358181221 INTERCHANGEABLE
Pawl
Telemechanics Inc
6685-00-973-4662 INTERCHANGEABLE
Gage,pressure,dial Indicating
6625-01-028-262018122-1 INTERCHANGEABLE
Multimeter
Drs Advanced Isr, Llc
Cross-Reference Index
Part NumberManufacturer
181221 Naval Surface Warfare Center Dba Port Hueneme Detachent Virginia Beach (USA)
181221 PRIMARY Northrop Grumman Systems Corporation (USA)
181221 Laurel Technologies Partnership Div Drs Laurel Technologies (USA)
Related Parts
3040-00-057-9358INTERCHANGEABLE
PAWL
181221
6685-00-973-4662INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6625-01-028-2620INTERCHANGEABLE
MULTIMETER
18122-1

Frequently Asked Questions

What is NSN 5962-01-437-9853?

NSN 5962-01-437-9853 is a Microcircuit,memory, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-437-9853?

NSN 5962-01-437-9853 has 3 cross-referenced part numbers: 181221 (Naval Surface Warfare Center Dba Port Hueneme Detachent Virginia Beach), 181221 (Northrop Grumman Systems Corporation), 181221 (Laurel Technologies Partnership Div Drs Laurel Technologies).

What NSN replaces 5962-01-437-9853?

There are 3 known substitutes for 5962-01-437-9853: 3040-00-057-9358, 6685-00-973-4662, 6625-01-028-2620. Verify interchangeability with system specifications before substitution.

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