3B6900 — VALVE,POPPET,ENGINE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

3B6900: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: FLAT, stem_style: DOUBLE GROOVED, head_height: 0.1406 INCHES NOMINAL IN, neck_radius: 0.3125 INCHES NOMINAL IN, stem_length: 4.6144 INCHES MINIMUM AND 4.6244 INCHES MAXIMUM IN, stem_diameter: 0.3700 INCHES MINIMUM AND 0.3710 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-356-0875, 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

3B6900

NSN: 2805-00-356-0875
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)

SPECIFICATIONS

head_style	FLAT
stem_style	DOUBLE GROOVED
head_height	0.1406 INCHES NOMINAL IN
neck_radius	0.3125 INCHES NOMINAL IN
stem_length	4.6144 INCHES MINIMUM AND 4.6244 INCHES MAXIMUM IN
stem_diameter	0.3700 INCHES MINIMUM AND 0.3710 INCHES MAXIMUM IN
chamfer_length	0.0312 INCHES NOMINAL IN
outside_diameter	1.5330 INCHES MINIMUM AND 1.5390 INCHES MAXIMUM IN
special_features	FLANGE ON STEM 3.625 IN. FROM TIP END 0.500 IN. DIA BY 0.094 IN. W IN
seat_angle_in_deg	45.0
first_groove_width	0.0625 INCHES NOMINAL IN
second_groove_width	0.0625 INCHES NOMINAL IN
NSN	2805-00-356-0875

COMPONENT DIAGRAM

KEY FEATURES

•

STEM DIAMETER: 0.3700 INCHES MINIMUM AND 0.3710 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.1406 INCHES NOMINAL IN

•

SECOND GROOVE WIDTH: 0.0625 INCHES NOMINAL IN

•

STEM LENGTH: 4.6144 INCHES MINIMUM AND 4.6244 INCHES MAXIMUM IN

•

SEAT ANGLE IN DEG: 45.0

•

CHAMFER LENGTH: 0.0312 INCHES NOMINAL IN

•

NECK RADIUS: 0.3125 INCHES NOMINAL IN

•

METALLIC HARDNESS RATING AND LOCATION: 65.0 SHORE SCLEROSCOPE MINIMUM TIP

TECHNICAL CHARACTERISTICS

STEM DIAMETER	0.3700 INCHES MINIMUM AND 0.3710 INCHES MAXIMUM IN
HEAD HEIGHT	0.1406 INCHES NOMINAL IN
SECOND GROOVE WIDTH	0.0625 INCHES NOMINAL IN
STEM LENGTH	4.6144 INCHES MINIMUM AND 4.6244 INCHES MAXIMUM IN
SEAT ANGLE IN DEG	45.0
CHAMFER LENGTH	0.0312 INCHES NOMINAL IN
NECK RADIUS	0.3125 INCHES NOMINAL IN
METALLIC HARDNESS RATING AND LOCATION	65.0 SHORE SCLEROSCOPE MINIMUM TIP
OUTSIDE DIAMETER	1.5330 INCHES MINIMUM AND 1.5390 INCHES MAXIMUM IN
DISTANCE FROM FIRST GROOVE TO STEM END	0.3750 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.

2805-00-000-4022 2805-00-001-0029 2805-00-001-3527 2805-00-001-3844 2805-00-001-3854 2805-00-001-6154 2805-00-001-6164 2805-00-001-6575

SUBSTITUTES & CROSS-REFERENCES 1

IPD3B6900Reference 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 3B6900?

3B6900 is a VALVE,POPPET,ENGINE.

What parts can replace 3B6900?

There is 1 known substitute for 3B6900: IPD3B6900. Substitute compatibility should be verified for your specific system.

What is the NSN for 3B6900?

3B6900 is cataloged in the U.S. Government catalog under NSN 2805-00-356-0875. This indicates validated use in U.S. government and defense supply chains.

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3B6900 — VALVE,POPPET,ENGINE

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