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Technical Data Sheet
PartsTable / COMPONENT / 639738-04
639738-04 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The MICROCIRCUIT,MEMORY is a the manufacturer memory module engineered for enterprise server and workstation platforms requiring validated, high-reliability memory. Key specifications include shape: V-SHAPED, material: COPPER AND SILVER AND RUBBER SILICONE CLASS Q, thickness: 0.232 INCHES NOMINAL IN, body_width: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, body_height: 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN, body_length: 1.170 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-295-8581, 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
639738-04
NSN: 5962-01-295-8581
FSC: 5962
CAGE: 07690 — BAE SYSTEMS CONTROLS INC (USA)
SPECIFICATIONS
shapeV-SHAPED
materialCOPPER AND SILVER AND RUBBER SILICONE CLASS Q
thickness0.232 INCHES NOMINAL IN
body_width0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
body_height0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
body_length1.170 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN
bit_quantity262144
overall_width0.310 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
word_quantity32768
overall_height0.255 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
overall_length1.170 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN
memory_capacity16K X8
NSN5962-01-295-8581
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,MEMORY TITLE COMPONENT PN 639738-04 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
M38510/21004BLBInterchangeable
interchangeable cross-reference
interchangeable
M38510/21004BLAInterchangeable
interchangeable cross-reference
interchangeable
5962-3821004BLXInterchangeable
interchangeable cross-reference
interchangeable
639739-04Interchangeable
interchangeable cross-reference
interchangeable
MM636739-04Interchangeable
interchangeable cross-reference
interchangeable
AM27S291A/BLAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 639738-04?
639738-04 is a MICROCIRCUIT,MEMORY.
What parts can replace 639738-04?
There are 20 known substitutes for 639738-04: M38510/21004BLB, M38510/21004BLA, 5962-3821004BLX and 17 more. Substitute compatibility should be verified for your specific system.
Is 639738-04 still available?
639738-04 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026