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Technical Data Sheet
PartsTable / MRO / 400128
400128 ✓ Verified by PartsTable
3M · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

IBM 32GB (2X16GB) MEMORYDIMMS,1066MHz. Key specifications include fsc_application_data: TELETYPE AND FACSIMILE EQUIPMENT, general_characteristics_item_description: 13.560 IN. LG; 0.025 IN.

DIA IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-225-8494, 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
MRO→ MRO_GENERAL→ 400128
NSN: 5306-00-225-8494
FSC: 5306
CAGE: 56697 — STANDARD FORGE AND AXLE CO INC (USA)
SPECIFICATIONS
fsc_application_dataTELETYPE AND FACSIMILE EQUIPMENT
general_characteristics_item_description13.560 IN. LG; 0.025 IN. DIA IN
NSN5306-00-225-8494
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 400128 · 3M ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
32GB Capacity
•
1066MHz Speed
•
MINIMUM TENSILE STRENGTH: 120000 POUNDS PER SQUARE INCH LBS
•
WIDTH BETWEEN FLATS: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
FEATURES PROVIDED: FINISHED HEAD
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
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)
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH LBS
WIDTH BETWEEN FLATS0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
FASTENER LENGTH0.500 INCHES NOMINAL IN
FEATURES PROVIDEDFINISHED HEAD
THREAD LENGTH0.500 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HEAD HEIGHT0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH18
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
FFS85Upgraded Successor
successor cross-reference
successor
186274Upgraded Successor
successor cross-reference
successor
MS90725-52Upgraded Successor
successor cross-reference
successor
0251428Upgraded Successor
successor cross-reference
successor
MS90726-40Upgraded Successor
successor cross-reference
successor
301551Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 400128?
400128 is a IBM 32GB (2X16GB) MEMORYDIMMS,1066MHz manufactured by 3M. It is classified as a MRO (MRO_GENERAL).
What parts can replace 400128?
There are 34 known substitutes for 400128: FFS85, 186274, MS90725-52 and 31 more. Substitute compatibility should be verified for your specific system.
Is 400128 still available?
400128 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