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873565R11 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

873565R11: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. This part is cataloged in the U.S. Government catalog under NSN 2805-00-138-2188, 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
873565R11
NSN: 2805-00-138-2188
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
Part Number873565R11
NSN2805-00-138-2188
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN 873565R11 MFR PISTON,INTERNAL COMBUS
OTHER ITEMS IN FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2805-00-010-2959 2805-00-066-3426 2805-00-326-0797 2805-00-395-7778 2805-00-422-9321 2805-00-447-9114 2805-00-448-0786 2805-00-561-9463
SUBSTITUTES & CROSS-REFERENCES 5
8101P040Reference document
Same NSN cross-reference
Reference document — Secondary reference
1394P040Reference document
Same NSN cross-reference
Reference document — Secondary reference
2041PN040Reference document
Same NSN cross-reference
Reference document — Secondary reference
216164R11Reference document
Same NSN cross-reference
Reference document — Secondary reference
P800AX040Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 873565R11?
873565R11 is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace 873565R11?
There are 5 known substitutes for 873565R11: 8101P040, 1394P040, 2041PN040 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 873565R11?
873565R11 is cataloged in the U.S. Government catalog under NSN 2805-00-138-2188. 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.