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23503948 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

23503948: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include diameter: 3.865 INCHES NOMINAL IN, material: IRON MALLEABLE, head_style: CAVITY, skirt_type: FULL SPLIT, end_item_identification: 2320-01-344-9887. This part is cataloged in the U.S.

Government catalog under NSN 2815-01-442-3405, 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
23503948
NSN: 2815-01-442-3405
FSC: 2815 — Diesel Engines and Components
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
diameter3.865 INCHES NOMINAL IN
materialIRON MALLEABLE
head_styleCAVITY
skirt_typeFULL SPLIT
ring_groove_quantity3
end_item_identification2320-01-344-9887
NSN2815-01-442-3405
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN 23503948 MFR PISTON,INTERNAL COMBUS
KEY FEATURES
•
DIAMETER: 3.865 INCHES NOMINAL IN
•
PIN: NOT INCLUDED
•
HEAD STYLE: CAVITY
•
RING GROOVE QUANTITY: 3
•
RING: NOT INCLUDED
•
MATERIAL: IRON MALLEABLE
•
SKIRT TYPE: FULL SPLIT
TECHNICAL CHARACTERISTICS
DIAMETER3.865 INCHES NOMINAL IN
PINNOT INCLUDED
HEAD STYLECAVITY
RING GROOVE QUANTITY3
RINGNOT INCLUDED
END ITEM IDENTIFICATION2320-01-344-9887
MATERIALIRON MALLEABLE
SKIRT TYPEFULL SPLIT
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
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 23503948?
23503948 is a PISTON,INTERNAL COMBUSTION ENGIN.
What is the NSN for 23503948?
23503948 is cataloged in the U.S. Government catalog under NSN 2815-01-442-3405. 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.