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Worldwide distributor of NSN parts and consumables located in the USA.

Engine Poppet Valve

Model / MPN: E604S | NSN: 2815-00-588-8605
ITAR Registered seal

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.

Product Details
NATO Stock Number
2815-00-588-8605
Sold in multiples of
1 EA
DEMIL
NO
Head Style
Flat
Head Height
Between 0.1800 inches and 0.1900 inches
Chamfer Angle In Deg
45.0
Chamfer Length
0.0320 inches
Outside Diameter
Between 1.5250 inches and 1.5350 inches
Minor Outside Diameter
0.3680 inches
Minor Diameter Length
0.6700 inches
Seat Angle In Deg
30.0
Stem Style
Double grooved
Carbon Relief Groove
Included
Neck Radius
Between 0.5500 inches and 0.5700 inches
Stem Length
6.0000 inches
Stem Diameter
0.4000 inches
Distance From First Groove To Stem End
0.2420 inches
Distance From Second Groove To Stem End
0.4120 inches
First Groove Diameter
0.3040 inches
Second Groove Diameter
0.3040 inches
First Groove Width
0.0700 inches
Second Groove Width
0.0700 inches
Material And Location
Sodium stem
Material And Location
Steel, corrosion resisting head
Metallic Hardness Rating And Location
40.0 rockwell c stem and 50.0 rockwell c stem

Pricing and Availability

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E604S Cross Reference
  • 145702
  • 70670
  • 145702