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2S8143 — VALVE,POPPET,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2S8143: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include material: STEEL STEM, head_style: FLAT, stem_style: GROOVED, head_height: 0.2000 INCHES NOMINAL IN, neck_radius: 0.5000 INCHES NOMINAL IN, stem_length: 5.6000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-103-8566, 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
2S8143
NSN: 2815-00-103-8566
FSC: 2815 — Diesel Engines and Components
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL STEM
head_styleFLAT
stem_styleGROOVED
head_height0.2000 INCHES NOMINAL IN
neck_radius0.5000 INCHES NOMINAL IN
stem_length5.6000 INCHES NOMINAL IN
groove_width0.1000 INCHES NOMINAL IN
stem_diameter0.3100 INCHES NOMINAL IN
chamfer_length0.0315 INCHES NOMINAL IN
groove_diameter0.2680 INCHES NOMINAL IN
outside_diameter1.4300 INCHES NOMINAL IN
seat_angle_in_deg45.0
NSN2815-00-103-8566
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN 2S8143 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
STEM DIAMETER: 0.3100 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.2000 INCHES NOMINAL IN
•
STEM LENGTH: 5.6000 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 45.0
•
CHAMFER LENGTH: 0.0315 INCHES NOMINAL IN
•
NECK RADIUS: 0.5000 INCHES NOMINAL IN
•
GROOVE DIAMETER: 0.2680 INCHES NOMINAL IN
•
DISTANCE FROM GROOVE TO STEM END: 0.1950 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STEM DIAMETER0.3100 INCHES NOMINAL IN
HEAD HEIGHT0.2000 INCHES NOMINAL IN
STEM LENGTH5.6000 INCHES NOMINAL IN
SEAT ANGLE IN DEG45.0
CHAMFER LENGTH0.0315 INCHES NOMINAL IN
NECK RADIUS0.5000 INCHES NOMINAL IN
GROOVE DIAMETER0.2680 INCHES NOMINAL IN
DISTANCE FROM GROOVE TO STEM END0.1950 INCHES NOMINAL IN
OUTSIDE DIAMETER1.4300 INCHES NOMINAL IN
STEM STYLEGROOVED
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
V3C0IXSSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2S8143?
2S8143 is a VALVE,POPPET,ENGINE.
What parts can replace 2S8143?
There is 1 known substitute for 2S8143: V3C0IXS. Substitute compatibility should be verified for your specific system.
What is the NSN for 2S8143?
2S8143 is cataloged in the U.S. Government catalog under NSN 2815-00-103-8566. 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.