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23515577 — RING SET,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

23515577: RING SET,PISTON.

The RING SET,PISTON is a the manufacturer industrial component. Key specifications include standard_bore_diameter: 4.250 INCHES IN, end_item_identification: ENGINE,DIESEL 7123-7300 ONBOARD 140 FT WTGB COAST GUARD VESSELS FT, ring_set_component_parts: RING SET (TURBO) 8927781,72582,1; RING,FIRE (FC) 8924084,72582,1,RING (UPPER AND LOWER COMPRESSION) 8926351,72582,2. This part is cataloged in the U.S.

Government catalog under NSN 2815-01-352-5713, 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
23515577
NSN: 2815-01-352-5713
FSC: 2815 — Diesel Engines and Components
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
standard_bore_diameter4.250 INCHES IN
end_item_identificationENGINE,DIESEL 7123-7300 ONBOARD 140 FT WTGB COAST GUARD VESSELS FT
ring_set_component_partsRING SET (TURBO) 8927781,72582,1; RING,FIRE (FC) 8924084,72582,1,RING (UPPER AND LOWER COMPRESSION) 8926351,72582,2
piston_accommodation_quantity1
NSN2815-01-352-5713
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING SET,PISTON TITLE COMPONENT PN 23515577 MFR RING SET,PISTON
KEY FEATURES
•
RING SET COMPONENT PARTS: RING SET (TURBO) 8927781,72582,1; RING,FIRE (FC) 8924084,72582,1,RING (UPPER AND LOWER COMPRESSION) 8926351,72582,2
•
PISTON ACCOMMODATION QUANTITY: 1
•
STANDARD BORE DIAMETER: 4.250 INCHES IN
TECHNICAL CHARACTERISTICS
RING SET COMPONENT PARTSRING SET (TURBO) 8927781,72582,1; RING,FIRE (FC) 8924084,72582,1,RING (UPPER AND LOWER COMPRESSION) 8926351,72582,2
PISTON ACCOMMODATION QUANTITY1
STANDARD BORE DIAMETER4.250 INCHES IN
END ITEM IDENTIFICATIONENGINE,DIESEL 7123-7300 ONBOARD 140 FT WTGB COAST GUARD VESSELS FT
OTHER ITEMS IN FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-011-9099 2815-00-017-1875 2815-00-024-4185 2815-00-033-1482 2815-00-036-5350 2815-00-179-7630 2815-00-346-4639 2815-00-592-5308
SUBSTITUTES & CROSS-REFERENCES 1
8927780Reference 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 23515577?
23515577 is a RING SET,PISTON.
What parts can replace 23515577?
There is 1 known substitute for 23515577: 8927780. Substitute compatibility should be verified for your specific system.
What is the NSN for 23515577?
23515577 is cataloged in the U.S. Government catalog under NSN 2815-01-352-5713. 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.