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Technical Data Sheet
PartsTable / STORAGE_HDD / R4-40
R4-40 ✓ 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

SERVER,AUTOMATIC DATA PROCESSING. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-062-9584, 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→ R4-40
NSN: 4320-00-062-9584
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
Part NumberR4-40
NSN4320-00-062-9584
COMPONENT DIAGRAM
RELEASE LATCH — NL-SAS 7.2K R4-40 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 R4-40 MFR OEM
KEY FEATURES
•
FEATURES PROVIDED: CASEHARDENED
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
KEYWAY DIMENSION: 0.1250 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 1.1875 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Enterprise virtualization (VMware vSphere, Hyper-V)
  • Private cloud infrastructure (OpenStack, Azure Stack)
  • Email and collaboration platforms (Exchange, SharePoint)
  • High-availability clustering and failover
  • DevOps and CI/CD pipeline hosting
  • Remote desktop and VDI infrastructure
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDCASEHARDENED
CORNER SHAPESQUARE ALL CORNERS
MATERIALSTEEL CORROSION RESISTING OVERALL
KEYWAY DIMENSION0.1250 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN
SPECIAL FEATURESCOUNTERBORED THE END OPPOSITE THE KEYWAY 1.430 IN. DIA BY 0.275 IN. DEEP IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
KEYWAY DIMENSION0.7500 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN
BODY INSIDE DIAMETER1.1875 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.6250 INCHES NOMINAL IN
OVERALL LENGTH5.4375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
901723-13Interchangeable
interchangeable cross-reference
interchangeable
107B8253-46Interchangeable
interchangeable cross-reference
interchangeable
L2088498-7Interchangeable
interchangeable cross-reference
interchangeable
R-440Interchangeable
interchangeable cross-reference
interchangeable
TD495Interchangeable
interchangeable cross-reference
interchangeable
D147Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R4-40?
R4-40 is a SERVER,AUTOMATIC DATA PROCESSING. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace R4-40?
There are 9 known substitutes for R4-40: 901723-13, 107B8253-46, L2088498-7 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R4-40?
R4-40 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-062-9584. 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