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88-100 — Memory Specs & Substitutes

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— · 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

Extreme Networks BLACKDIAMOND 8810 switch, incl. 4x 8900-10G24X-c 41632 y 2x 8900-MSM128 41231. Key specifications include material: RUBBER SYNTHETIC SEAL, bore_shape: STRAIGHT, bore_diameter: 0.6263 INCHES NOMINAL IN, terminal_type: WIRE LEAD, load_direction: RADIAL, surface_finish: GROUND.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-158-6520, 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→ 88-100
NSN: 3110-00-158-6520
FSC: 3110
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEAL
bore_shapeSTRAIGHT
bore_diameter0.6263 INCHES NOMINAL IN
seal_quantity2
terminal_typeWIRE LEAD
load_directionRADIAL
surface_finishGROUND
inner_ring_width0.8125 INCHES NOMINAL IN
outer_ring_width0.4331 INCHES NOMINAL IN
special_featuresSLOT 0.1875 IN. W BY 0.1720 IN. DEEP ON INNER RING FACE IN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
NSN3110-00-158-6520
COMPONENT DIAGRAM
ECC — 2Rx4 PC4 — RDIMM OEM NOTCH ~133.35 mm DDR4 RDIMM | — | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 88-100 MFR OEM — —
KEY FEATURES
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 1.3780 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
SEAL QUANTITY: 2
•
INTERNAL CLEARANCE: 0.0020 INCHES MINIMUM RADIAL AND 0.0035 INCHES MAXIMUM RADIAL IN
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATIONABEC NO.1
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL OUTSIDE DIAMETER1.3780 INCHES NOMINAL IN
SURFACE FINISHGROUND
SEAL QUANTITY2
INTERNAL CLEARANCE0.0020 INCHES MINIMUM RADIAL AND 0.0035 INCHES MAXIMUM RADIAL IN
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
INNER RING WIDTH0.8125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
Q-30InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
98000InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
18-1718InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ST504GInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
74-13527-B5/15FTInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
74-13567-B5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 88-100?
88-100 is a Extreme Networks BLACKDIAMOND 8810 switch, incl. 4x 8900-10G24X-c 41632 y 2x 8900-MSM128 41231. It is classified as a MEMORY (RDIMM).
What parts can replace 88-100?
There are 9 known substitutes for 88-100: Q-30, 98000, 18-1718 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 88-100?
88-100 is cataloged in the Federal Logistics Information System under NSN 3110-00-158-6520. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: October 2026