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Technical Data Sheet
PartsTable / COMPONENT / NHRB 3.5 TO 1 RATIO 500 RPM
NHRB 3.5 TO 1 RATIO 500 RPM ✓ Verified by PartsTable
— · DRIVE LFF
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 NHRB 3.5 TO 1 RATIO 500 RPM is a the manufacturer industrial component. The unit ships in a LFF form factor suitable for standard rack-mount installations. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3010-01-069-1276, 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
LFF BAY→ NHRB 3.5 TO 1 RATIO 500 RPM
NSN: 3010-01-069-1276
FSC: 3010
CAGE: 07524 — DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER (USA)
SPECIFICATIONS
Part NumberNHRB 3.5 TO 1 RATIO 500 RPM
Form FactorLFF
NSN3010-01-069-1276
COMPONENT DIAGRAM
RELEASE LATCH — NL-SAS 7.2K NHRB 3.5 TO 1 RA 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 NHRB 3.5 TO 1 RATIO 500 RPM MFR OEM
KEY FEATURES
•
LFF Form Factor
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INPUT SHAFT QUANTITY: 1
•
TOTAL RATIO: 3.500 TO 1
•
SHAFT POSITION: INPUT AND OUTPUT SHAFTS EXTENDS FROM OPPOSITE SIDES
•
OUTPUT SHAFT QUANTITY: 1
•
OUTPUT SHAFT TYPE: STRAIGHT W/KEYWAY
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INPUT SHAFT TYPE: STRAIGHT W/KEYWAY
•
DESIGN TYPE: SINGLE REDUCTION
•
LUBRICATION SYSTEM: OIL BATH
TECHNICAL CHARACTERISTICS (FLIS)
INPUT SHAFT QUANTITY1
TOTAL RATIO3.500 TO 1
SHAFT POSITIONINPUT AND OUTPUT SHAFTS EXTENDS FROM OPPOSITE SIDES
OUTPUT SHAFT QUANTITY1
OUTPUT SHAFT TYPESTRAIGHT W/KEYWAY
INPUT SHAFT TYPESTRAIGHT W/KEYWAY
DESIGN TYPESINGLE REDUCTION
LUBRICATION SYSTEMOIL BATH
GEAR TYPESPUR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
477770Interchangeable
interchangeable cross-reference
interchangeable
T0-335Interchangeable
interchangeable cross-reference
interchangeable
765-3Interchangeable
interchangeable cross-reference
interchangeable
E-3942Interchangeable
interchangeable cross-reference
interchangeable
919934Interchangeable
interchangeable cross-reference
interchangeable
915134Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NHRB 3.5 TO 1 RATIO 500 RPM?
NHRB 3.5 TO 1 RATIO 500 RPM is a NHRB 3.5 TO 1 RATIO 500 RPM.
What parts can replace NHRB 3.5 TO 1 RATIO 500 RPM?
There are 16 known substitutes for NHRB 3.5 TO 1 RATIO 500 RPM: 477770, T0-335, 765-3 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NHRB 3.5 TO 1 RATIO 500 RPM?
NHRB 3.5 TO 1 RATIO 500 RPM is cataloged in the Federal Logistics Information System (FLIS) under NSN 3010-01-069-1276. 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