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Technical Data Sheet
PartsTable / MRO / 20521-1
20521-1 ✓ Verified by PartsTable
Hama · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
SAS cables have specific lane counts: 4i (internal) or 4e (external) Cable length matters — too short won't reach, too long creates clutter
Verify connector type on BOTH ends — many SAS cables are asymmetric
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a Hama industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, bonnet_type: INSIDE SCREW, thread_class: 2A ALL ENDS A, document_type: SUPPLY CATALOG, connection_type: THREADED EXTERNAL TUBE ALL ENDS, document_source: 21791. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-739-2828, 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
MRO→ MRO_GENERAL→ 20521-1
NSN: 5998-00-739-2828
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 95924 — NEUROTECH CORP CONTROL ELECTRONICS DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
bonnet_typeINSIDE SCREW
thread_class2A ALL ENDS A
document_typeSUPPLY CATALOG
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
document_source21791
connection_stylePLAIN (TUBE) ALL ENDS
special_featuresUNIT QTY 24
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
operating_pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
NSN5998-00-739-2828
COMPONENT DIAGRAM
CONN A SFF-8482 CONN B SFF-8087 LENGTH: SAS CABLE ASSEMBLY | SFF-8482 to SFF-8087 Cable length: | SAS | Shielded TITLE CABLE ASSY PN 20521-1 MFR Hama BEARING,BALL,ANNULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
10043943Interchangeable
interchangeable cross-reference
interchangeable
205-211Interchangeable
interchangeable cross-reference
interchangeable
5205211000Interchangeable
interchangeable cross-reference
interchangeable
P45-GRV-1008Interchangeable
interchangeable cross-reference
interchangeable
30501Interchangeable
interchangeable cross-reference
interchangeable
20521-100Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20521-1?
20521-1 is a BEARING,BALL,ANNULAR manufactured by Hama. It is classified as a MRO (MRO_GENERAL).
What parts can replace 20521-1?
There are 11 known substitutes for 20521-1: 10043943, 205-211, 5205211000 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20521-1?
20521-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-739-2828. 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