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18918A — CYLINDER ASSEMBLY,REACTION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

18918A: CYLINDER ASSEMBLY,REACTION.

The CYLINDER ASSEMBLY,REACTION is a the manufacturer industrial component. Key specifications include bore_diameter: 28.0 MILLIMETERS NOMINAL MM, extended_length: 512.0 MILLIMETERS NOMINAL MM, end_item_identification: 29RBS GEN II HULL. This part is cataloged in the U.S.

Government catalog under NSN 2040-01-667-2920, 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
18918A
NSN: 2040-01-667-2920
FSC: 2040 — Marine Hardware and Hull Items
CAGE: 4PTF3 — GRAVOIS ALUMINUM BOATS LLC DBA METAL SHARK BOATS DIV METAL SHARK (USA)
SPECIFICATIONS
bore_diameter28.0 MILLIMETERS NOMINAL MM
extended_length512.0 MILLIMETERS NOMINAL MM
end_item_identification29RBS GEN II HULL
NSN2040-01-667-2920
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,REACTION TITLE COMPONENT PN 18918A MFR CYLINDER ASSEMBLY,REAC
KEY FEATURES
•
EXTENDED LENGTH: 512.0 MILLIMETERS NOMINAL MM
•
BORE DIAMETER: 28.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
EXTENDED LENGTH512.0 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATION29RBS GEN II HULL
BORE DIAMETER28.0 MILLIMETERS NOMINAL MM
OTHER ITEMS IN FSC 2040 — Marine Hardware and Hull Items
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2040-00-003-6975 2040-00-004-4739 2040-00-007-1136 2040-00-008-4790 2040-00-008-4792 2040-00-008-9796 2040-00-008-9797 2040-00-008-9798
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 18918A?
18918A is a CYLINDER ASSEMBLY,REACTION.
What is the NSN for 18918A?
18918A is cataloged in the U.S. Government catalog under NSN 2040-01-667-2920. 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.