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20109000 — RING,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

20109000: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.1870 INCHES NOMINAL IN, radial_wall_thickness: 0.1560 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-477-5657, 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
20109000
NSN: 2815-00-477-5657
FSC: 2815 — Diesel Engines and Components
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
ring_styleCONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.1870 INCHES NOMINAL IN
radial_wall_thickness0.1560 INCHES NOMINAL IN
NSN2815-00-477-5657
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN 20109000 MFR RING,PISTON
KEY FEATURES
•
JOINT STYLE: VERTICAL JOINT
•
RADIAL WALL THICKNESS: 0.1560 INCHES NOMINAL IN
•
RING STYLE: CONCENTRIC
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.1870 INCHES NOMINAL IN
JOINT STYLEVERTICAL JOINT
RADIAL WALL THICKNESS0.1560 INCHES NOMINAL IN
RING STYLECONCENTRIC
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
201090Reference document
Same NSN cross-reference
Reference document — Secondary reference
169670Reference 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 20109000?
20109000 is a RING,PISTON.
What parts can replace 20109000?
There are 2 known substitutes for 20109000: 201090, 169670. Substitute compatibility should be verified for your specific system.
What is the NSN for 20109000?
20109000 is cataloged in the U.S. Government catalog under NSN 2815-00-477-5657. 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.