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

Engine Poppet Valve

Model / MPN: V1778 | NSN: 2805-00-293-9702
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
2805-00-293-9702
Sold in multiples of
1 EA
DEMIL
NO
Head Style
Mushroom
Head Height
0.2187 inches
Chamfer Angle In Deg
60.0
Chamfer Length
0.0350 inches
Outside Diameter
Between 2.3750 inches and 2.3850 inches
Seat Angle In Deg
30.0
Stem Style
Double grooved
Carbon Relief Groove
Not included
Neck Radius
0.3750 inches
Stem Length
7.9688 inches
Stem Diameter
Between 0.4965 inches and 0.4975 inches
Distance From First Groove To Stem End
0.2102 inches
Distance From Second Groove To Stem End
0.5222 inches
First Groove Diameter
Between 0.4687 inches and 0.4837 inches
Second Groove Diameter
Between 0.4290 inches and 0.4340 inches
First Groove Width
0.1420 inches
Second Groove Width
0.1420 inches
Material And Location
Steel, federal standard 66, aisi/sae 3140
Material And Location
Steel, sae 2330
V1778 Series Parts

Pricing and Availability

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V1778 Cross Reference
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