6263778 — VALVE,POPPET,ENGINE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

6263778: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: MUSHROOM, stem_style: GROOVED, stem_length: 4.8437 INCHES NOMINAL IN, stem_diameter: 0.3410 INCHES NOMINAL IN, outside_diameter: 1.5000 INCHES NOMINAL IN, seat_angle_in_deg: 45.0. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-757-4105, 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

6263778

NSN: 2805-00-757-4105
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)

SPECIFICATIONS

head_style	MUSHROOM
stem_style	GROOVED
stem_length	4.8437 INCHES NOMINAL IN
stem_diameter	0.3410 INCHES NOMINAL IN
outside_diameter	1.5000 INCHES NOMINAL IN
seat_angle_in_deg	45.0
carbon_relief_groove	NOT INCLUDED
NSN	2805-00-757-4105

COMPONENT DIAGRAM

KEY FEATURES

•

STEM DIAMETER: 0.3410 INCHES NOMINAL IN

•

STEM LENGTH: 4.8437 INCHES NOMINAL IN

•

SEAT ANGLE IN DEG: 45.0

•

OUTSIDE DIAMETER: 1.5000 INCHES NOMINAL IN

•

STEM STYLE: GROOVED

•

HEAD STYLE: MUSHROOM

•

CARBON RELIEF GROOVE: NOT INCLUDED

TECHNICAL CHARACTERISTICS

STEM DIAMETER	0.3410 INCHES NOMINAL IN
STEM LENGTH	4.8437 INCHES NOMINAL IN
SEAT ANGLE IN DEG	45.0
OUTSIDE DIAMETER	1.5000 INCHES NOMINAL IN
STEM STYLE	GROOVED
HEAD STYLE	MUSHROOM
CARBON RELIEF GROOVE	NOT INCLUDED

SUBSTITUTES & CROSS-REFERENCES 3

39275Reference document

Same NSN cross-reference

Reference document — Secondary reference

254680Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

329275Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 6263778?

6263778 is a VALVE,POPPET,ENGINE.

What parts can replace 6263778?

There are 3 known substitutes for 6263778: 39275, 254680, 329275. Substitute compatibility should be verified for your specific system.

What is the NSN for 6263778?

6263778 is cataloged in the U.S. Government catalog under NSN 2805-00-757-4105. This indicates validated use in U.S. government and defense supply chains.

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6263778 — VALVE,POPPET,ENGINE

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