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

Engine Poppet Valve

Model / MPN: H27140A | NSN: 2805-00-271-9070
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
2805-00-271-9070
Sold in multiples of
1 EA
DEMIL
NO
Head Style
Flat
Head Height
0.1562 inches
Chamfer Angle In Deg
45.0
Hole Diameter
Between 0.1280 inches and 0.1310 inches
Chamfer Length
0.0312 inches
Outside Diameter
Between 1.4794 inches and 1.4894 inches
Seat Angle In Deg
30.0
Stem Style
Drilled
Carbon Relief Groove
Not included
Neck Radius
0.2500 inches
Stem Length
3.7656 inches
Stem Diameter
Between 0.3095 inches and 0.3105 inches
Distance From Hole Center To Stem End
0.2344 inches
Material And Location
Steel, federal standard 66, aisi/sae 3140
Metallic Hardness Rating And Location
37.0 rockwell c tip
Fsc Application Data
Gasoline engine
27140A Series Parts

Pricing and Availability

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H27140A Cross Reference
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