D1438 — VALVE,POPPET,ENGINE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

D1438: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: MUSHROOM, stem_style: DOUBLE GROOVED, head_height: 0.1719 INCHES NOMINAL IN, neck_radius: 0.3750 INCHES NOMINAL IN, stem_length: 8.0313 INCHES NOMINAL IN, stem_diameter: 0.4955 INCHES MINIMUM AND 0.4965 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-350-6354, 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

D1438

NSN: 2805-00-350-6354
NIINs: 003506354, 014664383
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 95019 — DANA CORP SPICER TRANSMISSION DIV (USA)

SPECIFICATIONS

head_style	MUSHROOM
stem_style	DOUBLE GROOVED
head_height	0.1719 INCHES NOMINAL IN
neck_radius	0.3750 INCHES NOMINAL IN
stem_length	8.0313 INCHES NOMINAL IN
stem_diameter	0.4955 INCHES MINIMUM AND 0.4965 INCHES MAXIMUM IN
chamfer_length	0.0312 INCHES NOMINAL IN
outside_diameter	1.8437 INCHES MINIMUM AND 1.8587 INCHES MAXIMUM IN
seat_angle_in_deg	45.0
first_groove_width	0.0625 INCHES NOMINAL IN
second_groove_width	0.0625 INCHES NOMINAL IN
carbon_relief_groove	NOT INCLUDED
NSN	2805-00-350-6354

COMPONENT DIAGRAM

KEY FEATURES

•

STEM DIAMETER: 0.4955 INCHES MINIMUM AND 0.4965 INCHES MAXIMUM IN

•

FSC APPLICATION DATA: GASOLINE ENGINE

•

HEAD HEIGHT: 0.1719 INCHES NOMINAL IN

•

SECOND GROOVE WIDTH: 0.0625 INCHES NOMINAL IN

•

STEM LENGTH: 8.0313 INCHES NOMINAL IN

•

SEAT ANGLE IN DEG: 45.0

•

CHAMFER LENGTH: 0.0312 INCHES NOMINAL IN

•

NECK RADIUS: 0.3750 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

STEM DIAMETER	0.4955 INCHES MINIMUM AND 0.4965 INCHES MAXIMUM IN
FSC APPLICATION DATA	GASOLINE ENGINE
HEAD HEIGHT	0.1719 INCHES NOMINAL IN
SECOND GROOVE WIDTH	0.0625 INCHES NOMINAL IN
STEM LENGTH	8.0313 INCHES NOMINAL IN
SEAT ANGLE IN DEG	45.0
CHAMFER LENGTH	0.0312 INCHES NOMINAL IN
NECK RADIUS	0.3750 INCHES NOMINAL IN
METALLIC HARDNESS RATING AND LOCATION	45.0 ROCKWELL C MAXIMUM STEM
METALLIC HARDNESS RATING AND LOCATION	35.0 ROCKWELL C MINIMUM STEM

SUBSTITUTES & CROSS-REFERENCES 4

1451366Reference document

Same NSN cross-reference

Reference document — Secondary reference

A329279Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

145136CReference document

Same NSN cross-reference

Reference document — Secondary reference

1351Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is D1438?

D1438 is a VALVE,POPPET,ENGINE.

What parts can replace D1438?

There are 4 known substitutes for D1438: 1451366, A329279, 145136C and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for D1438?

D1438 is cataloged in the U.S. Government catalog under NSN 2805-00-350-6354. This indicates validated use in U.S. government and defense supply chains.

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D1438 — VALVE,POPPET,ENGINE

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