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MS16385-1 — Memory Specs & Substitutes

✓ Verified by PartsTable
— · MEMORY · RDIMM
WHAT YOU NEED TO KNOW
Memory is a hot market right now. DDR5 and DDR4 are extremely volatile with data centers driving availability to extreme lows. Always validate machine type and model. Remember: all RAM is Hynix, Samsung, or Micron underneath OEM labels — use that to find alternatives. Key checks: Double-check what you're quoting in volatile market.
HOT market — DDR5/DDR4 extremely volatile
PRODUCT OVERVIEW

IBM 4GB (2 x 2GB) PC2-4200 DDR2 Memory Kit. Key specifications include material: STEEL OVERALL, head_thickness: 0.250 INCHES MAXIMUM IN, overall_length: 12.250 INCHES MINIMUM IN, style_designator: SINGLE HEAD, surface_treatment: ENAMEL AND LACQUER OVERALL, wrenching_surface_size: 1.000 INCHES NOMINAL SINGLE END IN. This part is cataloged in the Federal Logistics Information System under NSN 5120-00-288-8714, 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
MEMORY→ RDIMM→ MS16385-1
NSN: 5120-00-288-8714
FSC: 5120
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
head_thickness0.250 INCHES MAXIMUM IN
overall_length12.250 INCHES MINIMUM IN
style_designatorSINGLE HEAD
surface_treatmentENAMEL AND LACQUER OVERALL
wrenching_surface_size1.000 INCHES NOMINAL SINGLE END IN
wrenching_surface_shapeOVAL SINGLE END INTERNAL
NSN5120-00-288-8714
COMPONENT DIAGRAM
ECC 4GB 2Rx4 PC4 — RDIMM OEM NOTCH ~133.35 mm DDR4 RDIMM | 4GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN MS16385-1 MFR OEM 4GB —
KEY FEATURES
•
4GB Capacity
•
WRENCHING SURFACE SHAPE: OVAL SINGLE END INTERNAL
•
STYLE DESIGNATOR: SINGLE HEAD
•
WRENCHING SURFACE SIZE: 1.000 INCHES NOMINAL SINGLE END IN
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: ENAMEL AND LACQUER OVERALL
•
HEAD THICKNESS: 0.250 INCHES MAXIMUM IN
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
TECHNICAL CHARACTERISTICS
WRENCHING SURFACE SHAPEOVAL SINGLE END INTERNAL
STYLE DESIGNATORSINGLE HEAD
WRENCHING SURFACE SIZE1.000 INCHES NOMINAL SINGLE END IN
MATERIALSTEEL OVERALL
SURFACE TREATMENTENAMEL AND LACQUER OVERALL
OVERALL LENGTH12.250 INCHES MINIMUM IN
HEAD THICKNESS0.250 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
051227InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1932InterchangeableGOVERNMENT REGISTRY
IBM 4GB (2 x 2GB) PC2-4200 DDR2 Memory Kit
interchangeable
5035AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
33-020268-01InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
GGG-W-636InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
GGG-W-636 TY17CL2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS16385-1?
MS16385-1 is a IBM 4GB (2 x 2GB) PC2-4200 DDR2 Memory Kit. It is classified as a MEMORY (RDIMM).
What parts can replace MS16385-1?
There are 16 known substitutes for MS16385-1: 051227, 1932, 5035A and 13 more. Substitute compatibility should be verified for your specific system.
Is MS16385-1 still available?
MS16385-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: September 2026