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3577943 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

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 product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) 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
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
•
FIRST GROOVE WIDTH: 0.0550 INCHES NOMINAL IN
•
CARBON RELIEF GROOVE: NOT INCLUDED
•
DISTANCE FROM FIRST GROOVE TO STEM END: 0.3170 INCHES NOMINAL IN
•
STEM STYLE: DOUBLE GROOVED
•
MATERIAL: STEEL OVERALL
•
CHAMFER LENGTH: 0.0250 INCHES NOMINAL IN
•
NECK RADIUS: 0.2190 INCHES NOMINAL IN
•
DISTANCE FROM SECOND GROOVE TO STEM END: 0.4770 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST GROOVE WIDTH0.0550 INCHES NOMINAL IN
CARBON RELIEF GROOVENOT INCLUDED
DISTANCE FROM FIRST GROOVE TO STEM END0.3170 INCHES NOMINAL IN
STEM STYLEDOUBLE GROOVED
MATERIALSTEEL OVERALL
CHAMFER LENGTH0.0250 INCHES NOMINAL IN
NECK RADIUS0.2190 INCHES NOMINAL IN
DISTANCE FROM SECOND GROOVE TO STEM END0.4770 INCHES NOMINAL IN
CHAMFER ANGLE IN DEG30.0
HEAD STYLECONCAVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
S-23866Interchangeable
interchangeable cross-reference
interchangeable
21-46Interchangeable
interchangeable cross-reference
interchangeable
214-6CPInterchangeable
interchangeable cross-reference
interchangeable
443-1360-010Interchangeable
interchangeable cross-reference
interchangeable
MS35489-4Interchangeable
interchangeable cross-reference
interchangeable
1892Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3577943?
3577943 is a VALVE,POPPET,ENGINE.
What parts can replace 3577943?
There are 19 known substitutes for 3577943: S-23866, 21-46, 214-6CP and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3577943?
3577943 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-008-4850. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026