NSN 2805-00-203-8640

Part Details | ENGINE POPPET VALVE

2805-00-203-8640 A mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air into the combustion chamber or exhaust gases from the combustion chamber of a reciprocating internal combustion engine.

Alternate Parts: B620, SA532129, 532129, 2805-00-203-8640, 00-203-8640, 2805002038640, 002038640

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
28JAN 01, 196300-203-864015884 ( VALVE, POPPET, ENGINE )
REFERENCE DRAWINGS & PICTURES

CONCAVE

GROOVED

Cross Reference | NSN 2805-00-203-8640
Part Number Cage Code Manufacturer
B62059875EATON INDUSTRIAL CORPORATIONDBA ARGO-TECH
SA53212951660SUPERIOR AIR PARTS, INC.
53212928839TELEDYNE INDUSTRIES INCTELEDYNE POWER SYSTEMS DIV
Technical Data | NSN 2805-00-203-8640
Characteristic Specifications
MATERIAL AND LOCATION STEEL OVERALL
HEAD STYLE CONCAVE
HEAD HEIGHT0.1620 INCHES MINIMUM AND 0.1720 INCHES MAXIMUM
OUTSIDE DIAMETER2.3070 INCHES MINIMUM AND 2.3170 INCHES MAXIMUM
NECK RADIUS0.5000 INCHES NOMINAL
SEAT ANGLE IN DEG45.0
STEM STYLE GROOVED
GROOVE DIAMETER0.3590 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM
CHAMFER LENGTH0.0300 INCHES NOMINAL
GROOVE WIDTH0.1560 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM
STEM LENGTH4.7140 INCHES MINIMUM AND 4.7240 INCHES MAXIMUM
STEM DIAMETER0.4330 INCHES MINIMUM AND 0.4340 INCHES MAXIMUM
DISTANCE FROM GROOVE TO STEM END0.3200 INCHES NOMINAL
CHAMFER ANGLE IN DEG45.0
CARBON RELIEF GROOVE NOT INCLUDED