7006840 — VALVE,POPPET,ENGINE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

7006840: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: CONCAVE, stem_style: DOUBLE GROOVED, head_height: 0.1875 INCHES NOMINAL IN, neck_radius: 1.0000 INCHES NOMINAL IN, stem_length: 4.6295 INCHES MINIMUM AND 4.6395 INCHES MAXIMUM IN, stem_diameter: 0.5282 INCHES MINIMUM AND 0.5287 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-700-6840, 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

7006840

NSN: 2805-00-700-6840
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

head_style	CONCAVE
stem_style	DOUBLE GROOVED
head_height	0.1875 INCHES NOMINAL IN
neck_radius	1.0000 INCHES NOMINAL IN
stem_length	4.6295 INCHES MINIMUM AND 4.6395 INCHES MAXIMUM IN
stem_diameter	0.5282 INCHES MINIMUM AND 0.5287 INCHES MAXIMUM IN
chamfer_length	0.0200 INCHES NOMINAL IN
outside_diameter	2.3750 INCHES NOMINAL IN
seat_angle_in_deg	44.0
first_groove_width	0.3160 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM IN
second_groove_width	0.0520 INCHES NOMINAL IN
carbon_relief_groove	NOT INCLUDED
NSN	2805-00-700-6840

COMPONENT DIAGRAM

KEY FEATURES

•

STEM DIAMETER: 0.5282 INCHES MINIMUM AND 0.5287 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.1875 INCHES NOMINAL IN

•

SECOND GROOVE WIDTH: 0.0520 INCHES NOMINAL IN

•

STEM LENGTH: 4.6295 INCHES MINIMUM AND 4.6395 INCHES MAXIMUM IN

•

SEAT ANGLE IN DEG: 44.0

•

CHAMFER LENGTH: 0.0200 INCHES NOMINAL IN

•

NECK RADIUS: 1.0000 INCHES NOMINAL IN

•

METALLIC HARDNESS RATING AND LOCATION: 45.0 ROCKWELL C MINIMUM TIP

TECHNICAL CHARACTERISTICS

STEM DIAMETER	0.5282 INCHES MINIMUM AND 0.5287 INCHES MAXIMUM IN
HEAD HEIGHT	0.1875 INCHES NOMINAL IN
SECOND GROOVE WIDTH	0.0520 INCHES NOMINAL IN
STEM LENGTH	4.6295 INCHES MINIMUM AND 4.6395 INCHES MAXIMUM IN
SEAT ANGLE IN DEG	44.0
CHAMFER LENGTH	0.0200 INCHES NOMINAL IN
NECK RADIUS	1.0000 INCHES NOMINAL IN
METALLIC HARDNESS RATING AND LOCATION	45.0 ROCKWELL C MINIMUM TIP
METALLIC HARDNESS RATING AND LOCATION	50.0 ROCKWELL C MAXIMUM TIP
OUTSIDE DIAMETER	2.3750 INCHES NOMINAL IN

OTHER ITEMS IN FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2805-00-010-2959 2805-00-066-3426 2805-00-326-0797 2805-00-395-7778 2805-00-422-9321 2805-00-447-9114 2805-00-448-0786 2805-00-561-9463

SUBSTITUTES & CROSS-REFERENCES 1

202160Reference 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 7006840?

7006840 is a VALVE,POPPET,ENGINE.

What parts can replace 7006840?

There is 1 known substitute for 7006840: 202160. Substitute compatibility should be verified for your specific system.

What is the NSN for 7006840?

7006840 is cataloged in the U.S. Government catalog under NSN 2805-00-700-6840. This indicates validated use in U.S. government and defense supply chains.

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7006840 — VALVE,POPPET,ENGINE

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