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7CA209 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

7CA209: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include oversize: 0.508 MILLIMETERS NOMINAL MM, finished_size_designation: OVERSIZE. This part is cataloged in the U.S.

Government catalog under NSN 2815-01-105-4102, 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
7CA209
NSN: 2815-01-105-4102
FSC: 2815 — Diesel Engines and Components
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
oversize0.508 MILLIMETERS NOMINAL MM
ring_groove_quantity2
finished_size_designationOVERSIZE
NSN2815-01-105-4102
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN 7CA209 MFR PISTON,INTERNAL COMBUS
KEY FEATURES
•
RING GROOVE QUANTITY: 2
•
OVERSIZE: 0.508 MILLIMETERS NOMINAL MM
•
FINISHED SIZE DESIGNATION: OVERSIZE
TECHNICAL CHARACTERISTICS
RING GROOVE QUANTITY2
OVERSIZE0.508 MILLIMETERS NOMINAL MM
FINISHED SIZE DESIGNATIONOVERSIZE
OTHER ITEMS IN FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-000-0075 2815-00-001-0022 2815-00-001-3475 2815-00-001-7728 2815-00-001-7737 2815-00-001-7805 2815-00-001-7806 2815-00-001-7813
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 7CA209?
7CA209 is a PISTON,INTERNAL COMBUSTION ENGIN.
What is the NSN for 7CA209?
7CA209 is cataloged in the U.S. Government catalog under NSN 2815-01-105-4102. 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.