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3577943 — VALVE,POPPET,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3577943: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: CONCAVE, stem_style: DOUBLE GROOVED, head_height: 0.1450 INCHES NOMINAL IN, neck_radius: 0.2190 INCHES NOMINAL IN, stem_length: 4.8750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-008-4850, 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
3577943
NSN: 2805-00-008-4850
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 86403 — CHRYSLER CORP SERVICE AND PARTS OPNS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleCONCAVE
stem_styleDOUBLE GROOVED
head_height0.1450 INCHES NOMINAL IN
neck_radius0.2190 INCHES NOMINAL IN
stem_length4.8750 INCHES NOMINAL IN
stem_diameter0.3720 INCHES NOMINAL IN
chamfer_length0.0250 INCHES NOMINAL IN
outside_diameter1.8100 INCHES NOMINAL IN
seat_angle_in_deg45.0
first_groove_width0.0550 INCHES NOMINAL IN
second_groove_width0.0550 INCHES NOMINAL IN
NSN2805-00-008-4850
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN 3577943 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
STEM DIAMETER: 0.3720 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.1450 INCHES NOMINAL IN
•
SECOND GROOVE WIDTH: 0.0550 INCHES NOMINAL IN
•
STEM LENGTH: 4.8750 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 45.0
•
CHAMFER LENGTH: 0.0250 INCHES NOMINAL IN
•
NECK RADIUS: 0.2190 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.8100 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STEM DIAMETER0.3720 INCHES NOMINAL IN
HEAD HEIGHT0.1450 INCHES NOMINAL IN
SECOND GROOVE WIDTH0.0550 INCHES NOMINAL IN
STEM LENGTH4.8750 INCHES NOMINAL IN
SEAT ANGLE IN DEG45.0
CHAMFER LENGTH0.0250 INCHES NOMINAL IN
NECK RADIUS0.2190 INCHES NOMINAL IN
OUTSIDE DIAMETER1.8100 INCHES NOMINAL IN
DISTANCE FROM FIRST GROOVE TO STEM END0.3170 INCHES NOMINAL IN
STEM STYLEDOUBLE GROOVED
SUBSTITUTES & CROSS-REFERENCES 2
2146Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
V2845XSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3577943?
3577943 is a VALVE,POPPET,ENGINE.
What parts can replace 3577943?
There are 2 known substitutes for 3577943: 2146, V2845X. Substitute compatibility should be verified for your specific system.
What is the NSN for 3577943?
3577943 is cataloged in the U.S. Government catalog under NSN 2805-00-008-4850. 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.