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157D4021 — MICROCIRCUIT,MEMORY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

157D4021: MICROCIRCUIT,MEMORY.

The MICROCIRCUIT,MEMORY is a the manufacturer memory module engineered for enterprise server and workstation platforms requiring validated, high-reliability memory. Key specifications include body_width: 0.510 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN, body_height: 0.155 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN, body_length: 2.096 INCHES MAXIMUM IN, overall_height: 0.425 INCHES MAXIMUM IN, overall_length: 2.096 INCHES MAXIMUM IN, features_provided: BURN IN AND MONOLITHIC AND PROGRAMMED. This part is cataloged in the U.S.

Government catalog under NSN 5962-01-360-6411, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
157D4021
NSN: 5962-01-360-6411
FSC: 5962 — Microcircuits, Electronic
CAGE: 05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)
SPECIFICATIONS
body_width0.510 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
body_height0.155 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
body_length2.096 INCHES MAXIMUM IN
bit_quantity8
overall_height0.425 INCHES MAXIMUM IN
overall_length2.096 INCHES MAXIMUM IN
features_providedBURN IN AND MONOLITHIC AND PROGRAMMED
output_logic_formCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
inclosure_materialCERAMIC
memory_device_typeEPROM
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
test_data_document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
NSN5962-01-360-6411
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,MEMORY TITLE COMPONENT PN 157D4021 MFR MICROCIRCUIT,MEMORY
TYPICAL APPLICATIONS
  • Server memory expansion for virtualization workloads
  • Database performance optimization (in-memory computing)
  • VDI and remote desktop session hosting
  • High-performance computing (HPC) clusters
  • Mail server and collaboration platform scaling
  • Application server tier expansion
SUBSTITUTES & CROSS-REFERENCES 2
ROM/PROM FAMILY 253Reference document
Same NSN cross-reference
Reference document — Secondary reference
5962-8768401QAReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 157D4021?
157D4021 is a MICROCIRCUIT,MEMORY.
What parts can replace 157D4021?
There are 2 known substitutes for 157D4021: ROM/PROM FAMILY 253, 5962-8768401QA. Substitute compatibility should be verified for your specific system.
What is the NSN for 157D4021?
157D4021 is cataloged in the U.S. Government catalog under NSN 5962-01-360-6411. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.