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

Engine Poppet Valve

Model / MPN: 202832 | NSN: 2815-00-221-8783
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
2815-00-221-8783
Sold in multiples of
* special requirements. EA
DEMIL
NO
Head Style
Flat
Head Height
Between 0.1690 inches and 0.1790 inches
Chamfer Angle In Deg
45.0
Chamfer Length
0.0312 inches
Outside Diameter
2.6875 inches
Seat Angle In Deg
30.0
Stem Style
Double grooved
Carbon Relief Groove
Not included
Neck Radius
Between 1.1150 inches and 10.4890 inches
Stem Length
Between 10.4750 inches and 10.4890 inches
Stem Diameter
0.7440 inches
Distance From First Groove To Stem End
0.4500 inches
Distance From Second Groove To Stem End
1.0120 inches
First Groove Diameter
Between 0.6210 inches and 0.6260 inches
Second Groove Diameter
Between 0.6210 inches and 0.6260 inches
First Groove Width
Between 0.1890 inches and 0.1940 inches
Second Groove Width
0.1890 mils and 0.1940 centimeters
Material And Location
Steel stem
Metallic Hardness Rating And Location
52.0 rockwell c tip

Pricing and Availability

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202832 Cross Reference