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

Engine Poppet Valve

Model / MPN: 637183 | NSN: 2805-00-360-4511
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
2805-00-360-4511
Sold in multiples of
1 EA
DEMIL
NO
Head Style
Flat
Head Height
Between 0.1550 inches and 1.1800 inches
Chamfer Angle In Deg
45.0
Groove Diameter
Between 0.2480 inches and 0.2520 inches
Chamfer Length
0.0300 inches
Groove Width
Between 0.3105 inches and 0.3145 inches
Outside Diameter
Between 1.4650 inches and 1.4710 inches
Seat Angle In Deg
45.0
Stem Style
Grooved
Carbon Relief Groove
Not included
Neck Radius
0.3120 inches
Stem Length
5.2000 inches
Stem Diameter
Between 0.3717 inches and 0.3725 inches
Distance From Groove To Stem End
0.1900 inches
Material And Location
Steel, federal standard 66, aisi/sae 3140
Metallic Hardness Rating And Location
52.0 rockwell c tip
63718 Series Parts

Pricing and Availability

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