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Technical Data Sheet
PartsTable / COMPONENT / 311-2.5
311-2.5 ✓ Verified by PartsTable
— · DRIVE SFF
WHAT YOU NEED TO KNOW
SAS backplane accepts SATA drives (not vice versa) Buy with tray when possible — saves cost vs separate tray
ALWAYS ASK: "Does it come with tray/caddy?"
PRODUCT OVERVIEW

The 311-2.5 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4210-01-267-2642, 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
311-2.5
NSN: 4210-01-267-2642
FSC: 4210
CAGE: 20266 — ELKHART BRASS MANUFACTURING COMPANY, LLC DIV ELKHART BRASS MANUFACTURING COMPANY (USA)
SPECIFICATIONS
Part Number311-2.5
NSN4210-01-267-2642
COMPONENT DIAGRAM
LATCH — SAS — 311-2.5 SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen — SAS — 311-2.5 BARE DRIVE — NO LATCH Needs caddy/tray to install 2.5" (70 x 100mm) SFF 2.5" DRIVE | — | SAS — Always ask: "Does it come with tray/caddy?" | Tray PN varies by server generation TITLE SFF 2.5" DRIVE PN 311-2.5 CAP — SAS
KEY FEATURES
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MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
31125Interchangeable
interchangeable cross-reference
interchangeable
A31125Interchangeable
interchangeable cross-reference
interchangeable
6Z284D2Interchangeable
interchangeable cross-reference
interchangeable
11583Interchangeable
interchangeable cross-reference
interchangeable
5680E9074Interchangeable
interchangeable cross-reference
interchangeable
10-306370-14Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 311-2.5?
311-2.5 is a 311-2.5.
What parts can replace 311-2.5?
There are 13 known substitutes for 311-2.5: 31125, A31125, 6Z284D2 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 311-2.5?
311-2.5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4210-01-267-2642. 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.
PartsTable Design LLC · partstable.com
Last verified: July 2026