503-4-10320-000 — VALVE,POPPET,ENGINE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

503-4-10320-000: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: FLAT, stem_style: GROOVED, head_height: 0.1562 INCHES NOMINAL IN, neck_radius: 0.3125 INCHES NOMINAL IN, stem_length: 3.9013 INCHES MINIMUM AND 3.9113 INCHES MAXIMUM IN, groove_width: 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-608-0089, 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

503-4-10320-000

NSN: 2805-00-608-0089
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: K2523 — EATON LIMITED (GBR)

SPECIFICATIONS

head_style	FLAT
stem_style	GROOVED
head_height	0.1562 INCHES NOMINAL IN
neck_radius	0.3125 INCHES NOMINAL IN
stem_length	3.9013 INCHES MINIMUM AND 3.9113 INCHES MAXIMUM IN
groove_width	0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
stem_diameter	0.3090 INCHES MINIMUM AND 0.3095 INCHES MAXIMUM IN
chamfer_length	0.0312 INCHES NOMINAL IN
groove_diameter	0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM IN
outside_diameter	1.1200 INCHES MINIMUM AND 1.1300 INCHES MAXIMUM IN
seat_angle_in_deg	45.0
carbon_relief_groove	INCLUDED
NSN	2805-00-608-0089

COMPONENT DIAGRAM

KEY FEATURES

•

STEM DIAMETER: 0.3090 INCHES MINIMUM AND 0.3095 INCHES MAXIMUM IN

•

FSC APPLICATION DATA: GASOLINE ENGINE

•

HEAD HEIGHT: 0.1562 INCHES NOMINAL IN

•

STEM LENGTH: 3.9013 INCHES MINIMUM AND 3.9113 INCHES MAXIMUM IN

•

SEAT ANGLE IN DEG: 45.0

•

CHAMFER LENGTH: 0.0312 INCHES NOMINAL IN

•

NECK RADIUS: 0.3125 INCHES NOMINAL IN

•

GROOVE DIAMETER: 0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

STEM DIAMETER	0.3090 INCHES MINIMUM AND 0.3095 INCHES MAXIMUM IN
FSC APPLICATION DATA	GASOLINE ENGINE
HEAD HEIGHT	0.1562 INCHES NOMINAL IN
STEM LENGTH	3.9013 INCHES MINIMUM AND 3.9113 INCHES MAXIMUM IN
SEAT ANGLE IN DEG	45.0
CHAMFER LENGTH	0.0312 INCHES NOMINAL IN
NECK RADIUS	0.3125 INCHES NOMINAL IN
GROOVE DIAMETER	0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM IN
METALLIC HARDNESS RATING AND LOCATION	40.0 ROCKWELL C MINIMUM STEM
METALLIC HARDNESS RATING AND LOCATION	45.0 ROCKWELL C MAXIMUM STEM

SUBSTITUTES & CROSS-REFERENCES 4

83-00018Reference document

Same NSN cross-reference

Reference document — Secondary reference

230887Reference document

Same NSN cross-reference

Reference document — Secondary reference

230027Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

CFN70226Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 503-4-10320-000?

503-4-10320-000 is a VALVE,POPPET,ENGINE.

What parts can replace 503-4-10320-000?

There are 4 known substitutes for 503-4-10320-000: 83-00018, 230887, 230027 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 503-4-10320-000?

503-4-10320-000 is cataloged in the U.S. Government catalog under NSN 2805-00-608-0089. This indicates validated use in U.S. government and defense supply chains.

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503-4-10320-000 — VALVE,POPPET,ENGINE

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