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Technical Data Sheet
PartsTable / MEMORY / 412666
412666 ✓ 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: Check OEM alternatives — all RAM is Hynix/Samsung/Micron underneath. Double-check what you're quoting in volatile market.
HOT market — DDR5/DDR4 extremely volatile
PRODUCT OVERVIEW

8 x 32GB RDIMM, 2400MT/s, Dual Rank, x4 Data Width. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 2B INTERNAL, accessory_type: CAP, connection_style: FLARE, style_designator: CAP, VALVE SEALING AND DEFLATING, thread_direction: RIGHT-HAND INTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2640-00-060-3550, 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→ 412666
NSN: 2640-00-060-3550
FSC: 2640
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_class2B INTERNAL
accessory_typeCAP
connection_styleFLARE
style_designatorCAP, VALVE SEALING AND DEFLATING
thread_directionRIGHT-HAND INTERNAL
features_providedDRY HEAT RESISTANT GASKET
surface_treatmentOXIDE OVERALL
item_type_categoryACCESSORY
nominal_thread_size0.312 INCHES INTERNAL IN
thread_pitch_diameters+0.2870 TO 0.2910 INCHES INTERNAL IN
tire_valve_designationTR-VC-2
NSN2640-00-060-3550
COMPONENT DIAGRAM
ECC 32GB 2Rx4 PC4 — RDIMM OEM NOTCH ~133.35 mm DDR4 RDIMM | 32GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 412666 MFR OEM 32GB —
KEY FEATURES
•
32GB Capacity
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-495 MIL STD SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: OXIDE OVERALL
•
TIRE VALVE DESIGNATION: TR-VC-2
•
STYLE DESIGNATOR: CAP, VALVE SEALING AND DEFLATING
•
CONNECTION STYLE: FLARE
•
ITEM TYPE CATEGORY: ACCESSORY
•
FEATURES PROVIDED: DRY HEAT RESISTANT GASKET
•
THREAD SERIES DESIGNATOR: UNEF INTERNAL
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 (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-495 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
TIRE VALVE DESIGNATIONTR-VC-2
STYLE DESIGNATORCAP, VALVE SEALING AND DEFLATING
CONNECTION STYLEFLARE
ITEM TYPE CATEGORYACCESSORY
FEATURES PROVIDEDDRY HEAT RESISTANT GASKET
THREAD SERIES DESIGNATORUNEF INTERNAL
MATERIALCOPPER ALLOY OVERALL
NOMINAL THREAD SIZE0.312 INCHES INTERNAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
59008Interchangeable
interchangeable cross-reference
interchangeable
47702Interchangeable
interchangeable cross-reference
interchangeable
47107Interchangeable
interchangeable cross-reference
interchangeable
6300Interchangeable
interchangeable cross-reference
interchangeable
1755Interchangeable
interchangeable cross-reference
interchangeable
120263Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 412666?
412666 is a 8 x 32GB RDIMM, 2400MT/s, Dual Rank, x4 Data Width. It is classified as a MEMORY (RDIMM).
What parts can replace 412666?
There are 27 known substitutes for 412666: 59008, 47702, 47107 and 24 more. Substitute compatibility should be verified for your specific system.
Is 412666 still available?
412666 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