14025511 — VALVE,POPPET,ENGINE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

14025511: 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: 4.3500 MILLIMETERS MINIMUM AND 4.6500 MILLIMETERS MAXIMUM MM, neck_radius: 11.5000 MILLIMETERS NOMINAL MM, stem_length: 127.210 MILLIMETERS NOMINAL MM, stem_diameter: 9.8300 MILLIMETERS MINIMUM AND 9.9600 MILLIMETERS MAXIMUM MM. This part is cataloged in the U.S.

Government catalog under NSN 2815-01-153-1427, 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

14025511

NSN: 2815-01-153-1427
FSC: 2815 — Diesel Engines and Components
CAGE: 11862 — GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT (USA)

SPECIFICATIONS

head_style	FLAT
stem_style	DOUBLE GROOVED
head_height	4.3500 MILLIMETERS MINIMUM AND 4.6500 MILLIMETERS MAXIMUM MM
neck_radius	11.5000 MILLIMETERS NOMINAL MM
stem_length	127.210 MILLIMETERS NOMINAL MM
stem_diameter	9.8300 MILLIMETERS MINIMUM AND 9.9600 MILLIMETERS MAXIMUM MM
chamfer_length	0.2500 MILLIMETERS NOMINAL MM
outside_diameter	43.5700 MILLIMETERS NOMINAL MM
seat_angle_in_deg	45.0
first_groove_width	2.2410 MILLIMETERS MINIMUM AND 2.6700 MILLIMETERS MAXIMUM MM
second_groove_width	2.6700 MILLIMETERS MINIMUM AND 2.9200 MILLIMETERS MAXIMUM MM
carbon_relief_groove	NOT INCLUDED
NSN	2815-01-153-1427

COMPONENT DIAGRAM

KEY FEATURES

•

STEM DIAMETER: 9.8300 MILLIMETERS MINIMUM AND 9.9600 MILLIMETERS MAXIMUM MM

•

HEAD HEIGHT: 4.3500 MILLIMETERS MINIMUM AND 4.6500 MILLIMETERS MAXIMUM MM

•

SECOND GROOVE WIDTH: 2.6700 MILLIMETERS MINIMUM AND 2.9200 MILLIMETERS MAXIMUM MM

•

STEM LENGTH: 127.210 MILLIMETERS NOMINAL MM

•

SEAT ANGLE IN DEG: 45.0

•

CHAMFER LENGTH: 0.2500 MILLIMETERS NOMINAL MM

•

NECK RADIUS: 11.5000 MILLIMETERS NOMINAL MM

•

METALLIC HARDNESS RATING AND LOCATION: 30.0 ROCKWELL C NOMINAL HEAD

TECHNICAL CHARACTERISTICS

STEM DIAMETER	9.8300 MILLIMETERS MINIMUM AND 9.9600 MILLIMETERS MAXIMUM MM
HEAD HEIGHT	4.3500 MILLIMETERS MINIMUM AND 4.6500 MILLIMETERS MAXIMUM MM
SECOND GROOVE WIDTH	2.6700 MILLIMETERS MINIMUM AND 2.9200 MILLIMETERS MAXIMUM MM
STEM LENGTH	127.210 MILLIMETERS NOMINAL MM
SEAT ANGLE IN DEG	45.0
CHAMFER LENGTH	0.2500 MILLIMETERS NOMINAL MM
NECK RADIUS	11.5000 MILLIMETERS NOMINAL MM
METALLIC HARDNESS RATING AND LOCATION	30.0 ROCKWELL C NOMINAL HEAD
METALLIC HARDNESS RATING AND LOCATION	30.0 ROCKWELL C NOMINAL SEAT FACE
METALLIC HARDNESS RATING AND LOCATION	30.0 ROCKWELL C NOMINAL STEM

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 2

23500061Reference document

Same NSN cross-reference

Reference document — Secondary reference

14050654Reference 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 14025511?

14025511 is a VALVE,POPPET,ENGINE.

What parts can replace 14025511?

There are 2 known substitutes for 14025511: 23500061, 14050654. Substitute compatibility should be verified for your specific system.

What is the NSN for 14025511?

14025511 is cataloged in the U.S. Government catalog under NSN 2815-01-153-1427. This indicates validated use in U.S. government and defense supply chains.

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14025511 — VALVE,POPPET,ENGINE

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