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14025510 — VALVE,POPPET,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

14025510: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: FLAT, stem_style: DOUBLE GROOVED, head_height: 2.7350 MILLIMETERS MINIMUM AND 2.8850 MILLIMETERS MAXIMUM MM, neck_radius: 17.0000 MILLIMETERS NOMINAL MM, stem_length: 126.8600 MILLIMETERS MINIMUM AND 127.1200 MILLIMETERS MAXIMUM MM, stem_diameter: 8.6610 MILLIMETERS MINIMUM AND 8.6790 MILLIMETERS MAXIMUM MM. This part is cataloged in the U.S.

Government catalog under NSN 2815-01-153-1426, 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
14025510
NSN: 2815-01-153-1426
FSC: 2815 — Diesel Engines and Components
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
head_styleFLAT
stem_styleDOUBLE GROOVED
head_height2.7350 MILLIMETERS MINIMUM AND 2.8850 MILLIMETERS MAXIMUM MM
neck_radius17.0000 MILLIMETERS NOMINAL MM
stem_length126.8600 MILLIMETERS MINIMUM AND 127.1200 MILLIMETERS MAXIMUM MM
stem_diameter8.6610 MILLIMETERS MINIMUM AND 8.6790 MILLIMETERS MAXIMUM MM
chamfer_length0.5000 MILLIMETERS NOMINAL MM
outside_diameter51.5700 MILLIMETERS NOMINAL MM
seat_angle_in_deg45.0
first_groove_width2.1800 MILLIMETERS NOMINAL MM
second_groove_width2.6700 MILLIMETERS MINIMUM AND 2.9200 MILLIMETERS MAXIMUM MM
carbon_relief_grooveNOT INCLUDED
NSN2815-01-153-1426
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN 14025510 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
STEM DIAMETER: 8.6610 MILLIMETERS MINIMUM AND 8.6790 MILLIMETERS MAXIMUM MM
•
HEAD HEIGHT: 2.7350 MILLIMETERS MINIMUM AND 2.8850 MILLIMETERS MAXIMUM MM
•
SECOND GROOVE WIDTH: 2.6700 MILLIMETERS MINIMUM AND 2.9200 MILLIMETERS MAXIMUM MM
•
STEM LENGTH: 126.8600 MILLIMETERS MINIMUM AND 127.1200 MILLIMETERS MAXIMUM MM
•
SEAT ANGLE IN DEG: 45.0
•
CHAMFER LENGTH: 0.5000 MILLIMETERS NOMINAL MM
•
NECK RADIUS: 17.0000 MILLIMETERS NOMINAL MM
•
METALLIC HARDNESS RATING AND LOCATION: 37.0 ROCKWELL C MINIMUM OVERALL AND 42.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS
STEM DIAMETER8.6610 MILLIMETERS MINIMUM AND 8.6790 MILLIMETERS MAXIMUM MM
HEAD HEIGHT2.7350 MILLIMETERS MINIMUM AND 2.8850 MILLIMETERS MAXIMUM MM
SECOND GROOVE WIDTH2.6700 MILLIMETERS MINIMUM AND 2.9200 MILLIMETERS MAXIMUM MM
STEM LENGTH126.8600 MILLIMETERS MINIMUM AND 127.1200 MILLIMETERS MAXIMUM MM
SEAT ANGLE IN DEG45.0
CHAMFER LENGTH0.5000 MILLIMETERS NOMINAL MM
NECK RADIUS17.0000 MILLIMETERS NOMINAL MM
METALLIC HARDNESS RATING AND LOCATION37.0 ROCKWELL C MINIMUM OVERALL AND 42.0 ROCKWELL C MAXIMUM OVERALL
OUTSIDE DIAMETER51.5700 MILLIMETERS NOMINAL MM
DISTANCE FROM FIRST GROOVE TO STEM END2.6800 MILLIMETERS NOMINAL MM
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
14050651Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 14025510?
14025510 is a VALVE,POPPET,ENGINE.
What parts can replace 14025510?
There is 1 known substitute for 14025510: 14050651. Substitute compatibility should be verified for your specific system.
What is the NSN for 14025510?
14025510 is cataloged in the U.S. Government catalog under NSN 2815-01-153-1426. 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.