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6146551 — SCREW,ADJUSTING,VALVE TAPPET

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

6146551: SCREW,ADJUSTING,VALVE TAPPET.

The SCREW,ADJUSTING,VALVE TAPPET is a the manufacturer industrial component. Key specifications include overall_length: 5.125 INCHES NOMINAL IN, end_largest_diameter: 1.400 INCHES NOMINAL IN, concentric_hole_diameter: 1.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-01-317-8978, 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
6146551
NSN: 2815-01-317-8978
FSC: 2815 — Diesel Engines and Components
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
overall_length5.125 INCHES NOMINAL IN
end_largest_diameter1.400 INCHES NOMINAL IN
concentric_hole_diameter1.062 INCHES NOMINAL IN
NSN2815-01-317-8978
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SCREW,ADJUSTING,VALVE TAPPET TITLE COMPONENT PN 6146551 MFR SCREW,ADJUSTING,VALVE
KEY FEATURES
•
END LARGEST DIAMETER: 1.400 INCHES NOMINAL IN
•
CONCENTRIC HOLE DIAMETER: 1.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL LENGTH5.125 INCHES NOMINAL IN
END LARGEST DIAMETER1.400 INCHES NOMINAL IN
CONCENTRIC HOLE DIAMETER1.062 INCHES NOMINAL IN
OTHER ITEMS IN FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-000-0075 2815-00-001-0022 2815-00-001-3475 2815-00-001-7728 2815-00-001-7737 2815-00-001-7805 2815-00-001-7806 2815-00-001-7813
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 6146551?
6146551 is a SCREW,ADJUSTING,VALVE TAPPET.
What is the NSN for 6146551?
6146551 is cataloged in the U.S. Government catalog under NSN 2815-01-317-8978. 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.