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

Engine Poppet Valve

Model / MPN: 1163 | NSN: 2810-00-118-6478
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
2810-00-118-6478
Sold in multiples of
DEMIL
NO
Head Style
Concave
Head Height
0.2187 inches
Chamfer Angle In Deg
45.0
Chamfer Length
Between 0.0100 inches and 0.0300 inches
Outside Diameter
2.5930 inches
Seat Angle In Deg
45.0
Stem Style
Double grooved
Carbon Relief Groove
Not included
Neck Radius
0.7500 inches
Stem Length
5.6718 inches
Stem Diameter
0.4345 inches
Distance From First Groove To Stem End
0.1875 inches
Distance From Second Groove To Stem End
0.6250 inches
First Groove Diameter
0.3390 inches
Second Groove Diameter
0.3850 inches
First Groove Width
Between 0.1575 inches and 0.1775 inches
Second Groove Width
0.0500 inches
Material And Location
Steel
Metallic Hardness Rating And Location
60.0 shore scleroscope
1163 Series Parts

Pricing and Availability

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1163 Cross Reference
  • 1163