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390419 — VALVE,POPPET,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

390419: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT, stem_style: TAPERED, head_height: 0.1500 INCHES NOMINAL IN, neck_radius: 0.3125 INCHES NOMINAL IN, stem_length: 4.2765 INCHES MINIMUM AND 4.2785 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-413-4227, 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
390419
NSN: 2805-00-413-4227
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 08645 — BRIGGS AND STRATTON CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFLAT
stem_styleTAPERED
head_height0.1500 INCHES NOMINAL IN
neck_radius0.3125 INCHES NOMINAL IN
stem_length4.2765 INCHES MINIMUM AND 4.2785 INCHES MAXIMUM IN
stem_diameter0.3100 INCHES NOMINAL IN
chamfer_length0.1090 INCHES NOMINAL IN
outside_diameter1.2500 INCHES NOMINAL IN
special_featuresFURNISHED W/2 EACH VALVE SPRING LOCKS
seat_angle_in_deg45.0
taper_angle_in_deg25.0
NSN2805-00-413-4227
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN 390419 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
STEM DIAMETER: 0.3100 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.1500 INCHES NOMINAL IN
•
STEM LENGTH: 4.2765 INCHES MINIMUM AND 4.2785 INCHES MAXIMUM IN
•
SEAT ANGLE IN DEG: 45.0
•
CHAMFER LENGTH: 0.1090 INCHES NOMINAL IN
•
NECK RADIUS: 0.3125 INCHES NOMINAL IN
•
MINOR OUTSIDE DIAMETER: 0.2720 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.2500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STEM DIAMETER0.3100 INCHES NOMINAL IN
HEAD HEIGHT0.1500 INCHES NOMINAL IN
STEM LENGTH4.2765 INCHES MINIMUM AND 4.2785 INCHES MAXIMUM IN
SEAT ANGLE IN DEG45.0
CHAMFER LENGTH0.1090 INCHES NOMINAL IN
NECK RADIUS0.3125 INCHES NOMINAL IN
MINOR OUTSIDE DIAMETER0.2720 INCHES NOMINAL IN
OUTSIDE DIAMETER1.2500 INCHES NOMINAL IN
STEM STYLETAPERED
TAPER ANGLE IN DEG25.0
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
260952Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 390419?
390419 is a VALVE,POPPET,ENGINE.
What parts can replace 390419?
There is 1 known substitute for 390419: 260952. Substitute compatibility should be verified for your specific system.
What is the NSN for 390419?
390419 is cataloged in the U.S. Government catalog under NSN 2805-00-413-4227. 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.