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Technical Data Sheet
PartsTable / STORAGE_HDD / ST212
ST212 ✓ 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

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: TAPER PARALLEL GAGE USED TO CHECK THE PARALLELISM OF COUNTERWEIGHT BUSHING TO CRANKSHAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5210-00-089-3972, 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→ ST212
NSN: 5210-00-089-3972
FSC: 5210
CAGE: 80254 — TEXTRON LYCOMING INC WILLIAMSPORT PLANT (USA)
SPECIFICATIONS
materialSTEEL
special_featuresTAPER PARALLEL GAGE USED TO CHECK THE PARALLELISM OF COUNTERWEIGHT BUSHING TO CRANKSHAFT
NSN5210-00-089-3972
COMPONENT DIAGRAM
RELEASE LATCH — NL-SAS 7.2K ST212 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 ST212 MFR OEM
KEY FEATURES
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESTAPER PARALLEL GAGE USED TO CHECK THE PARALLELISM OF COUNTERWEIGHT BUSHING TO CRANKSHAFT
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
L1206Interchangeable
interchangeable cross-reference
interchangeable
206MInterchangeable
interchangeable cross-reference
interchangeable
B6935Interchangeable
interchangeable cross-reference
interchangeable
ST212Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST212?
ST212 is a BEARING,BALL,ANNULAR. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace ST212?
There are 4 known substitutes for ST212: L1206, 206M, B6935 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST212?
ST212 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5210-00-089-3972. 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