PartsTable
Technical Data Sheet
PartsTable / STORAGE_HDD / 856221
856221 ✓ Verified by PartsTable
— · STORAGE_HDD · 3.5_SATA_HDD
WHAT YOU NEED TO KNOW
SAS backplane supports SATA, not vice versa NL-SAS = SAS protocol at nearline (7.2K) speed — NOT SATA
Gen8 LFF tray ≠ Gen10 tray — different screw holes
PRODUCT OVERVIEW

FITTING,STRUCTURAL COMPONENT,AIR. Key specifications include end_item_identification: COMPUTER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-495-2440, 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
STORAGE_HDD→ 3.5_SATA_HDD→ 856221
NSN: 2520-00-495-2440
FSC: 2520
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
end_item_identificationCOMPUTER
NSN2520-00-495-2440
COMPONENT DIAGRAM
RELEASE LATCH — NL-SAS 7.2K 856221 OEM NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | — | NL-SAS 7.2K NL-SAS uses SAS protocol at 7.2K RPM | SAS backplane supports SATA, not reverse Tray generation matters | Gen8 LFF tray differs from Gen10 TITLE LFF 3.5" DRIVE PN 856221 MFR OEM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
9903Interchangeable
interchangeable cross-reference
interchangeable
2HG418Interchangeable
interchangeable cross-reference
interchangeable
CP13-9Interchangeable
interchangeable cross-reference
interchangeable
4320PL1075932Interchangeable
interchangeable cross-reference
interchangeable
11369Interchangeable
interchangeable cross-reference
interchangeable
2705A12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 856221?
856221 is a FITTING,STRUCTURAL COMPONENT,AIR. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace 856221?
There are 27 known substitutes for 856221: 9903, 2HG418, CP13-9 and 24 more. Substitute compatibility should be verified for your specific system.
Is 856221 still available?
856221 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