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8923178 — RING,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

8923178: 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: 0.1000 INCHES NOMINAL IN, radial_wall_thickness: 0.1890 INCHES NOMINAL IN, standard_bore_diameter: 4.840 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-01-060-9652, 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
8923178
NSN: 2815-01-060-9652
FSC: 2815 — Diesel Engines and Components
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
ring_styleCONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.1000 INCHES NOMINAL IN
radial_wall_thickness0.1890 INCHES NOMINAL IN
standard_bore_diameter4.840 INCHES IN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN2815-01-060-9652
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN 8923178 MFR RING,PISTON
KEY FEATURES
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
•
JOINT STYLE: VERTICAL JOINT
•
RADIAL WALL THICKNESS: 0.1890 INCHES NOMINAL IN
•
RING STYLE: CONCENTRIC
•
STANDARD BORE DIAMETER: 4.840 INCHES IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.1000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLEVERTICAL JOINT
RADIAL WALL THICKNESS0.1890 INCHES NOMINAL IN
RING STYLECONCENTRIC
STANDARD BORE DIAMETER4.840 INCHES IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
5100601Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8923178?
8923178 is a RING,PISTON.
What parts can replace 8923178?
There is 1 known substitute for 8923178: 5100601. Substitute compatibility should be verified for your specific system.
What is the NSN for 8923178?
8923178 is cataloged in the U.S. Government catalog under NSN 2815-01-060-9652. 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.