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

Engine Poppet Valve

Model / MPN: 3698593 | NSN: 2805-00-444-2065
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
2805-00-444-2065
Sold in multiples of
DEMIL
NO
Head Style
Concave
Head Height
0.1360 inches
Chamfer Angle In Deg
45.0
Chamfer Length
0.0312 inches
Taper Angle In Deg
45.0
Outside Diameter
1.3620 inches
Minor Outside Diameter
0.3710 inches
Minor Diameter Length
0.6670 inches
Seat Angle In Deg
45.0
Stem Style
Tapered multi-grooved
Carbon Relief Groove
Not included
Neck Radius
0.3593 inches
Stem Length
4.6660 inches
Stem Diameter
0.4030 inches
Distance From First Groove To Stem End
0.1960 inches
Distance From Second Groove To Stem End
0.3060 inches
Distance From Third Groove To Stem End
0.4090 inches
First Groove Diameter
0.3100 inches
Second Groove Diameter
0.3100 inches
Third Groove Diameter
0.3100 inches
First Groove Width
0.0620 inches
Second Groove Width
0.0620 inches
Third Groove Width
0.0620 inches
Material And Location
Steel, corrosion resisting
36985 Series Parts

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3698593 Cross Reference
  • 2121583