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581-6726890-23 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

581-6726890-23: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include material: PLASTIC ACETAL OVERALL, special_features: NEXT HIGHER ASSEMBLY IS FWD AND AFT COMPLIANT SHEAVE ASSEMBLY, end_item_identification: SEAWOLF CLASS SSN, part_name_assigned_by_controlling_agency: BEARING, LOCK BLOCK, DELRIN 100AF. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-487-6744, 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
581-6726890-23
NSN: 3120-01-487-6744
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC ACETAL OVERALL
special_featuresNEXT HIGHER ASSEMBLY IS FWD AND AFT COMPLIANT SHEAVE ASSEMBLY
end_item_identificationSEAWOLF CLASS SSN
part_name_assigned_by_controlling_agencyBEARING, LOCK BLOCK, DELRIN 100AF
NSN3120-01-487-6744
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 581-6726890-23 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: PLASTIC ACETAL OVERALL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESNEXT HIGHER ASSEMBLY IS FWD AND AFT COMPLIANT SHEAVE ASSEMBLY
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING, LOCK BLOCK, DELRIN 100AF
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALPLASTIC ACETAL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
6726890Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
14962146Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 581-6726890-23?
581-6726890-23 is a BEARING,WASHER,THRUST.
What parts can replace 581-6726890-23?
There are 2 known substitutes for 581-6726890-23: 6726890, 14962146. Substitute compatibility should be verified for your specific system.
What is the NSN for 581-6726890-23?
581-6726890-23 is cataloged in the U.S. Government catalog under NSN 3120-01-487-6744. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.