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23516863 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

23516863: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include weight: 120.0 OUNCES OZ, diameter: 4.250 INCHES NOMINAL IN, material: STEEL, head_style: CAVITY, skirt_type: SOLID, overall_height: 6.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-094-1663, 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
23516863
NSN: 2815-00-094-1663
FSC: 2815 — Diesel Engines and Components
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
weight120.0 OUNCES OZ
diameter4.250 INCHES NOMINAL IN
materialSTEEL
head_styleCAVITY
skirt_typeSOLID
overall_height6.000 INCHES NOMINAL IN
surface_finishFINISHED
pin_hole_bushingNOT INCLUDED
pinhole_diameter1.5000 INCHES NOMINAL IN
ring_groove_quantity5
end_item_identificationGRUMMAN A10 AIRCRAFT
finished_size_designationSTANDARD
NSN2815-00-094-1663
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN 23516863 MFR PISTON,INTERNAL COMBUS
KEY FEATURES
•
SURFACE FINISH: FINISHED
•
DIAMETER: 4.250 INCHES NOMINAL IN
•
PIN: NOT INCLUDED
•
PIN TYPE FOR WHICH DESIGNED: FLOATING
•
HEAD STYLE: CAVITY
•
RING GROOVE QUANTITY: 5
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT6.000 INCHES NOMINAL IN
SURFACE FINISHFINISHED
DIAMETER4.250 INCHES NOMINAL IN
PINNOT INCLUDED
PIN TYPE FOR WHICH DESIGNEDFLOATING
WEIGHT120.0 OUNCES OZ
HEAD STYLECAVITY
RING GROOVE QUANTITY5
SKIRT BOTTOM CUTAWAY FEATURENOT INCLUDED
FINISHED SIZE DESIGNATIONSTANDARD
SUBSTITUTES & CROSS-REFERENCES 6
PC5149982Reference document
Same NSN cross-reference
Reference document — Secondary reference
5147650Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
K-5149982Reference document
Same NSN cross-reference
Reference document — Secondary reference
23509378Reference document
Same NSN cross-reference
Reference document — Secondary reference
5149982Reference document
Same NSN cross-reference
Reference document — Secondary reference
5199350Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 23516863?
23516863 is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace 23516863?
There are 6 known substitutes for 23516863: PC5149982, 5147650, K-5149982 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 23516863?
23516863 is cataloged in the U.S. Government catalog under NSN 2815-00-094-1663. 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.