6408946 — VALVE,POPPET,ENGINE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

6408946: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: FLAT, stem_style: GROOVED, head_height: 0.1950 INCHES MINIMUM AND 0.2050 INCHES MAXIMUM IN, neck_radius: 0.5000 INCHES NOMINAL IN, stem_length: 6.0550 INCHES MINIMUM AND 6.0580 INCHES MAXIMUM IN, groove_width: 0.1350 INCHES MINIMUM AND 0.1450 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-901-6734, 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

6408946

NSN: 2805-00-901-6734
NIINs: 009016734, 009318878
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)

SPECIFICATIONS

head_style	FLAT
stem_style	GROOVED
head_height	0.1950 INCHES MINIMUM AND 0.2050 INCHES MAXIMUM IN
neck_radius	0.5000 INCHES NOMINAL IN
stem_length	6.0550 INCHES MINIMUM AND 6.0580 INCHES MAXIMUM IN
groove_width	0.1350 INCHES MINIMUM AND 0.1450 INCHES MAXIMUM IN
stem_diameter	0.4965 INCHES MINIMUM AND 0.4975 INCHES MAXIMUM IN
chamfer_length	0.0312 INCHES NOMINAL IN
groove_diameter	0.3380 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM IN
outside_diameter	2.3700 INCHES MINIMUM AND 2.3800 INCHES MAXIMUM IN
seat_angle_in_deg	45.0
carbon_relief_groove	NOT INCLUDED
NSN	2805-00-901-6734

COMPONENT DIAGRAM

KEY FEATURES

•

STEM DIAMETER: 0.4965 INCHES MINIMUM AND 0.4975 INCHES MAXIMUM IN

•

FSC APPLICATION DATA: GASOLINE ENGINE

•

HEAD HEIGHT: 0.1950 INCHES MINIMUM AND 0.2050 INCHES MAXIMUM IN

•

STEM LENGTH: 6.0550 INCHES MINIMUM AND 6.0580 INCHES MAXIMUM IN

•

SEAT ANGLE IN DEG: 45.0

•

CHAMFER LENGTH: 0.0312 INCHES NOMINAL IN

•

NECK RADIUS: 0.5000 INCHES NOMINAL IN

•

GROOVE DIAMETER: 0.3380 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

STEM DIAMETER	0.4965 INCHES MINIMUM AND 0.4975 INCHES MAXIMUM IN
FSC APPLICATION DATA	GASOLINE ENGINE
HEAD HEIGHT	0.1950 INCHES MINIMUM AND 0.2050 INCHES MAXIMUM IN
STEM LENGTH	6.0550 INCHES MINIMUM AND 6.0580 INCHES MAXIMUM IN
SEAT ANGLE IN DEG	45.0
CHAMFER LENGTH	0.0312 INCHES NOMINAL IN
NECK RADIUS	0.5000 INCHES NOMINAL IN
GROOVE DIAMETER	0.3380 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM IN
METALLIC HARDNESS RATING AND LOCATION	30.0 ROCKWELL C MINIMUM OVERALL
METALLIC HARDNESS RATING AND LOCATION	40.0 ROCKWELL C MAXIMUM OVERALL

SUBSTITUTES & CROSS-REFERENCES 2

C1483Reference document

Same NSN cross-reference

Reference document — Secondary reference

6408946BSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 6408946?

6408946 is a VALVE,POPPET,ENGINE.

What parts can replace 6408946?

There are 2 known substitutes for 6408946: C1483, 6408946B. Substitute compatibility should be verified for your specific system.

What is the NSN for 6408946?

6408946 is cataloged in the U.S. Government catalog under NSN 2805-00-901-6734. This indicates validated use in U.S. government and defense supply chains.

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6408946 — VALVE,POPPET,ENGINE

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