PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42657Microcircuit,memory

Raytheon Company Div Rmd Strategic · NSN 5962-01-203-7255 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-203-7255 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-203-7255. Primary manufacturer part number: 42657.
Features
  • Microcircuit,memory — FSC 5962
  • Features Provided: 3-STATE OUTPUT AND BIPOLAR AND PROGRAMMED
  • Body Height: 0.145 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
  • Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC
  • Time Rating Per Chacteristic: 65.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT NS
  • Memory Device Type: ROM
  • Terminal Surface Treatment: SOLDER
  • Test Data Document: 96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,memory, cataloged under National Stock Number 5962-01-203-7255, 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 Raytheon Company Div Rmd Strategic. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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.

Technical Specifications
ParameterValue
NSN5962-01-203-7255
Primary Part Number42657
Item NameMicrocircuit,memory
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerRaytheon Company Div Rmd Strategic
StatusACTIVE
Features Provided3-STATE OUTPUT AND BIPOLAR AND PROGRAMMED
Body Height0.145 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Time Rating Per Chacteristic65.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT NS
Memory Device TypeROM
Terminal Surface TreatmentSOLDER
Test Data Document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Voltage Rating and Type Per Characteristic7.0 VOLTS MAXIMUM POWER SOURCE
Terminal Type and Quantity16 PRINTED CIRCUIT
Body Length0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Inclosure ConfigurationDUAL-IN-LINE
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Width0.302 INCHES MAXIMUM IN
Inclosure MaterialCERAMIC AND GLASS
Input Circuit Pattern6 INPUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2915-00-522-838842657 INTERCHANGEABLE
Parts Kit,valve,ove
Meggitt North Hollywood Inc
5962-01-031-1919 INTERCHANGEABLE
Microcircuit,memory
5962-01-052-384641201 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5962-01-201-404942939 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5962-01-201-451242937-1 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5962-01-201-682842938 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5962-01-203-725342648 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5962-01-203-725442649 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5962-01-204-381242658 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5962-01-236-668742651 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
Cross-Reference Index
Part NumberManufacturer
ROM/PROM FAMILY 013 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
42657 PRIMARY Raytheon Company Div Rmd Strategic (USA)
S82S123F/883C Philips Semiconductors Inc (USA)
722913-50 Raytheon Company Div Rmd Strategic (USA)
Related Parts
2915-00-522-8388INTERCHANGEABLE
PARTS KIT,VALVE,OVE
42657
5962-01-031-1919INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5962-01-052-3846INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41201
5962-01-201-4049INTERCHANGEABLE
MICROCIRCUIT,MEMORY
42939
5962-01-201-4512INTERCHANGEABLE
MICROCIRCUIT,MEMORY
42937-1
5962-01-201-6828INTERCHANGEABLE
MICROCIRCUIT,MEMORY
42938
5962-01-203-7253INTERCHANGEABLE
MICROCIRCUIT,MEMORY
42648
5962-01-203-7254INTERCHANGEABLE
MICROCIRCUIT,MEMORY
42649
5962-01-204-3812INTERCHANGEABLE
MICROCIRCUIT,MEMORY
42658
5962-01-236-6687INTERCHANGEABLE
MICROCIRCUIT,MEMORY
42651
5962-01-236-6688INTERCHANGEABLE
MICROCIRCUIT,MEMORY
42652
5962-01-236-6689INTERCHANGEABLE
MICROCIRCUIT,MEMORY
42654

Frequently Asked Questions

What is NSN 5962-01-203-7255?

NSN 5962-01-203-7255 is a Microcircuit,memory, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-203-7255?

NSN 5962-01-203-7255 has 4 cross-referenced part numbers: ROM/PROM FAMILY 013 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 42657 (Raytheon Company Div Rmd Strategic), S82S123F/883C (Philips Semiconductors Inc), 722913-50 (Raytheon Company Div Rmd Strategic).

What NSN replaces 5962-01-203-7255?

There are 12 known substitutes for 5962-01-203-7255: 2915-00-522-8388, 5962-01-031-1919, 5962-01-052-3846 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42657?

Key specifications for 42657: Features Provided: 3-STATE OUTPUT AND BIPOLAR AND PROGRAMMED; Body Height: 0.145 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN; Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC; Time Rating Per Chacteristic: 65.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT NS. 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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