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PartsTable / COMPONENT / BU5UX
BU5UX ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include special_features: 0.5MM CORNEAL BURR FOR THE ALGERBRUSH, NSN 6530-01-458-9478 MM, part_name_assigned_by_controlling_agency: BURR CORNEAL F/ALGERBRUSH 0.5MM MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6540-01-554-7829, 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
BU5UX
NSN: 6540-01-554-7829
FSC: 6540
CAGE: 1LF58 — RICHMOND PRODUCTS INC (USA)
SPECIFICATIONS
special_features0.5MM CORNEAL BURR FOR THE ALGERBRUSH, NSN 6530-01-458-9478 MM
part_name_assigned_by_controlling_agencyBURR CORNEAL F/ALGERBRUSH 0.5MM MM
NSN6540-01-554-7829
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUP,TAPERED ROLLER BEARING TITLE COMPONENT PN BU5UX MFR CUP,TAPERED ROLLER BEA
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES0.5MM CORNEAL BURR FOR THE ALGERBRUSH, NSN 6530-01-458-9478 MM
PART NAME ASSIGNED BY CONTROLLING AGENCYBURR CORNEAL F/ALGERBRUSH 0.5MM MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
4335Interchangeable
interchangeable cross-reference
interchangeable
9230Interchangeable
interchangeable cross-reference
interchangeable
327123R1Interchangeable
interchangeable cross-reference
interchangeable
4173-4335D6Interchangeable
interchangeable cross-reference
interchangeable
4335-6Interchangeable
interchangeable cross-reference
interchangeable
720211-26Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BU5UX?
BU5UX is a CUP,TAPERED ROLLER BEARING.
What parts can replace BU5UX?
There are 9 known substitutes for BU5UX: 4335, 9230, 327123R1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BU5UX?
BU5UX is cataloged in the Federal Logistics Information System (FLIS) under NSN 6540-01-554-7829. 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