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

Engine Poppet Valve

Model / MPN: 4351494 | NSN: 2815-00-516-6287
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
2815-00-516-6287
Sold in multiples of
1 EA
DEMIL
NO
Head Style
Mushroom
Head Height
Between 0.1760 inches and 0.2060 inches
Chamfer Angle In Deg
45.0
Chamfer Length
0.0156 inches
Outside Diameter
Between 1.5060 inches and 1.5160 inches
Seat Angle In Deg
45.0
Stem Style
Double grooved
Carbon Relief Groove
Not included
Neck Radius
1.3750 inches
Stem Length
Between 5.6700 inches and 5.6800 inches
Stem Diameter
Between 0.3095 inches and 0.3100 inches
Distance From First Groove To Stem End
Between 0.2970 inches and 0.3170 inches
Distance From Second Groove To Stem End
0.9531 inches
First Groove Diameter
Between 0.2670 inches and 0.2730 inches
Second Groove Diameter
Between 0.2920 inches and 0.2980 inches
First Groove Width
Between 0.0950 inches and 0.1050 inches
Second Groove Width
0.0180 inches
Material And Location
Steel, federal standard 66, aisi/sae 3140
Fsc Application Data
Diesel engine

Pricing and Availability

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4351494 Cross Reference