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21826866 — ADJUSTING DEVICE,BELT-CHAIN TENS

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

21826866: ADJUSTING DEVICE,BELT-CHAIN TENS.

ADJUSTING DEVICE,BELT-CHAIN TENS. Key specifications include special_features: D3-110I 110HP, end_item_identification: ENGINE,DIESEL, part_name_assigned_by_controlling_agency: BELT,TENSIONER. This part is cataloged in the U.S.

Government catalog under NSN 2990-01-643-3949, 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
21826866
NSN: 2990-01-643-3949
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 61724 — VOLVO PENTA OF THE AMERICAS INC (USA)
SPECIFICATIONS
special_featuresD3-110I 110HP
end_item_identificationENGINE,DIESEL
part_name_assigned_by_controlling_agencyBELT,TENSIONER
NSN2990-01-643-3949
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADJUSTING DEVICE,BELT-CHAIN TENS TITLE COMPONENT PN 21826866 MFR ADJUSTING DEVICE,BELT-
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESD3-110I 110HP
PART NAME ASSIGNED BY CONTROLLING AGENCYBELT,TENSIONER
END ITEM IDENTIFICATIONENGINE,DIESEL
OTHER ITEMS IN FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2990-00-001-0001 2990-00-001-1248 2990-00-001-1250 2990-00-001-2055 2990-00-001-3498 2990-00-001-3520 2990-00-001-3521 2990-00-001-3522
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21826866?
21826866 is a ADJUSTING DEVICE,BELT-CHAIN TENS.
What is the NSN for 21826866?
21826866 is cataloged in the U.S. Government catalog under NSN 2990-01-643-3949. 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.