PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

640A561H01Microcircuit,memory

Northrop Grumman Support Services Corp · NSN 5962-01-146-2023 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-146-2023 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-146-2023. Primary manufacturer part number: 640A561H01.
Features
  • Microcircuit,memory — FSC 5962
  • Inclosure Material: CERAMIC
  • Voltage Rating and Type Per Characteristic: 5.5 VOLTS MAXIMUM POWER SOURCE
  • Memory Device Type: ROM
  • Memory Capacity: UNKNOWN
  • Terminal Type and Quantity: 18 PRINTED CIRCUIT
  • Terminal Surface Treatment: SOLDER
  • Features Provided: BIPOLAR AND PROGRAMMABLE AND W/ENABLE AND 3-STATE OUTPUT AND EXPANDABLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,memory, cataloged under National Stock Number 5962-01-146-2023, 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 Support Services Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-146-2023
Primary Part Number640A561H01
Item NameMicrocircuit,memory
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Support Services Corp
StatusACTIVE
Inclosure MaterialCERAMIC
Voltage Rating and Type Per Characteristic5.5 VOLTS MAXIMUM POWER SOURCE
Memory Device TypeROM
Memory CapacityUNKNOWN
Terminal Type and Quantity18 PRINTED CIRCUIT
Terminal Surface TreatmentSOLDER
Features ProvidedBIPOLAR AND PROGRAMMABLE AND W/ENABLE AND 3-STATE OUTPUT AND EXPANDABLE
Inclosure ConfigurationDUAL-IN-LINE
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Width0.302 INCHES MAXIMUM IN
Body Height0.145 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Input Circuit Pattern12 INPUT
Body Length0.882 INCHES MINIMUM AND 0.925 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5962-01-075-7771932883-202 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
5962-01-146-1333 INTERCHANGEABLE
Microcircuit,memory
5962-01-146-1854 INTERCHANGEABLE
Microcircuit,memory
5962-01-146-2022 INTERCHANGEABLE
Microcircuit,memory
5962-01-146-2027 INTERCHANGEABLE
Microcircuit,memory
5962-01-240-0496 INTERCHANGEABLE
Microcircuit,memory
5962-01-322-5611 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
640A561H01 Northrop Grumman Support Services Corp (USA)
ROM/PROM Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
82S137/BVA Philips Semiconductors Inc (USA)
640A561H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
HM1-7643-2 Renesas Electronics America Inc (USA)
ROM/PROM FAMILY 030 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
581R504H15 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5962-01-075-7771INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932883-202
5962-01-146-1333INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-146-1854INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-146-2022INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-146-2027INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-240-0496INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-322-5611INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5962-01-146-2023?

NSN 5962-01-146-2023 is a Microcircuit,memory, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-146-2023?

NSN 5962-01-146-2023 has 7 cross-referenced part numbers: 640A561H01 (Northrop Grumman Support Services Corp), ROM/PROM (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 82S137/BVA (Philips Semiconductors Inc), 640A561H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), HM1-7643-2 (Renesas Electronics America Inc) and 2 more.

What NSN replaces 5962-01-146-2023?

There are 7 known substitutes for 5962-01-146-2023: 5962-01-075-7771, 5962-01-146-1333, 5962-01-146-1854 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 640A561H01?

Key specifications for 640A561H01: End Item Identification: CP-1418/TPS 97942; Inclosure Material: CERAMIC; Voltage Rating and Type Per Characteristic: 5.5 VOLTS MAXIMUM POWER SOURCE; Memory Device Type: ROM. 16 total characteristics are documented in the Federal Logistics Information System.

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