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3819003 — VALVE,POPPET,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3819003: 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: 0.1430 INCHES MINIMUM AND 0.1580 INCHES MAXIMUM IN, neck_radius: 0.5800 INCHES NOMINAL IN, stem_length: 4.7444 INCHES MINIMUM AND 4.7794 INCHES MAXIMUM IN, stem_diameter: 0.3445 INCHES MINIMUM AND 0.3452 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-932-2241, 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
3819003
NSN: 2805-00-932-2241
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
head_styleFLAT
stem_styleDOUBLE GROOVED
head_height0.1430 INCHES MINIMUM AND 0.1580 INCHES MAXIMUM IN
neck_radius0.5800 INCHES NOMINAL IN
stem_length4.7444 INCHES MINIMUM AND 4.7794 INCHES MAXIMUM IN
stem_diameter0.3445 INCHES MINIMUM AND 0.3452 INCHES MAXIMUM IN
chamfer_length0.0020 INCHES MINIMUM AND 0.0100 INCHES MAXIMUM IN
outside_diameter1.7150 INCHES MINIMUM AND 1.7250 INCHES MAXIMUM IN
special_featuresSECOND GROOVE TAPER ANGLE 30.0 DEGREE
seat_angle_in_deg45.0
first_groove_width0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
second_groove_width0.1050 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN
NSN2805-00-932-2241
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN 3819003 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
STEM DIAMETER: 0.3445 INCHES MINIMUM AND 0.3452 INCHES MAXIMUM IN
•
FSC APPLICATION DATA: GASOLINE ENGINE
•
HEAD HEIGHT: 0.1430 INCHES MINIMUM AND 0.1580 INCHES MAXIMUM IN
•
SECOND GROOVE WIDTH: 0.1050 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN
•
STEM LENGTH: 4.7444 INCHES MINIMUM AND 4.7794 INCHES MAXIMUM IN
•
SEAT ANGLE IN DEG: 45.0
•
CHAMFER LENGTH: 0.0020 INCHES MINIMUM AND 0.0100 INCHES MAXIMUM IN
•
NECK RADIUS: 0.5800 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STEM DIAMETER0.3445 INCHES MINIMUM AND 0.3452 INCHES MAXIMUM IN
FSC APPLICATION DATAGASOLINE ENGINE
HEAD HEIGHT0.1430 INCHES MINIMUM AND 0.1580 INCHES MAXIMUM IN
SECOND GROOVE WIDTH0.1050 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN
STEM LENGTH4.7444 INCHES MINIMUM AND 4.7794 INCHES MAXIMUM IN
SEAT ANGLE IN DEG45.0
CHAMFER LENGTH0.0020 INCHES MINIMUM AND 0.0100 INCHES MAXIMUM IN
NECK RADIUS0.5800 INCHES NOMINAL IN
METALLIC HARDNESS RATING AND LOCATION50.0 ROCKWELL C MINIMUM TIP
METALLIC HARDNESS RATING AND LOCATION27.0 ROCKWELL C MINIMUM HEAD
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 3
149864Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VI-1200+003Reference document
Same NSN cross-reference
Reference document — Secondary reference
1280.003Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3819003?
3819003 is a VALVE,POPPET,ENGINE.
What parts can replace 3819003?
There are 3 known substitutes for 3819003: 149864, VI-1200+003, 1280.003. Substitute compatibility should be verified for your specific system.
What is the NSN for 3819003?
3819003 is cataloged in the U.S. Government catalog under NSN 2805-00-932-2241. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.