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Technical Data Sheet
PartsTable / COMPONENT / CT9-5098S1
CT9-5098S1 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RING SET,PISTON is a the manufacturer industrial component. Key specifications include standard_bore_diameter: 4.312 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-555-5933, 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
CT9-5098S1
NSN: 2815-00-555-5933
FSC: 2815
CAGE: 74069 — HASTINGS MANUFACTURING CO DIV HASTINGS MANUFACTURING COMPANY (USA)
SPECIFICATIONS
standard_bore_diameter4.312 INCHES IN
ring_set_component_partsCOMPRESSION RING,TD427A301CS,73471,1,COMPRESSION RING,D600A311CS,2,OIL RING,TD427A302CS,73471,1,OIL RING,T427A312CS,73471,1
piston_accommodation_quantity1
NSN2815-00-555-5933
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING SET,PISTON TITLE COMPONENT PN CT9-5098S1 MFR RING SET,PISTON
KEY FEATURES
•
PISTON ACCOMMODATION QUANTITY: 1
•
STANDARD BORE DIAMETER: 4.312 INCHES IN
•
RING SET COMPONENT PARTS: COMPRESSION RING,TD427A301CS,73471,1,COMPRESSION RING,D600A311CS,2,OIL RING,TD427A302CS,73471,1,OIL RING,T427A312CS,73471,1
TECHNICAL CHARACTERISTICS (FLIS)
PISTON ACCOMMODATION QUANTITY1
STANDARD BORE DIAMETER4.312 INCHES IN
RING SET COMPONENT PARTSCOMPRESSION RING,TD427A301CS,73471,1,COMPRESSION RING,D600A311CS,2,OIL RING,TD427A302CS,73471,1,OIL RING,T427A312CS,73471,1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
7-140Interchangeable
interchangeable cross-reference
interchangeable
U96-5084SUBPT7Interchangeable
interchangeable cross-reference
interchangeable
424318PC3Interchangeable
interchangeable cross-reference
interchangeable
139Interchangeable
interchangeable cross-reference
interchangeable
FF-W-84AInterchangeable
interchangeable cross-reference
interchangeable
1483403-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CT9-5098S1?
CT9-5098S1 is a RING SET,PISTON.
What parts can replace CT9-5098S1?
There are 16 known substitutes for CT9-5098S1: 7-140, U96-5084SUBPT7, 424318PC3 and 13 more. Substitute compatibility should be verified for your specific system.
Is CT9-5098S1 still available?
CT9-5098S1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026