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

Engine Poppet Valve

Model / MPN: 26735 | NSN: 2805-00-516-9186
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
2805-00-516-9186
Sold in multiples of
1 EA
DEMIL
NO
Head Style
Mushroom
Head Height
0.1562 inches
Chamfer Angle In Deg
30.0
Groove Diameter
0.2530 inches
Chamfer Length
0.0470 inches
Groove Width
0.2650 inches
Outside Diameter
1.2500 inches
Seat Angle In Deg
45.0
Stem Style
Grooved
Carbon Relief Groove
Not included
Neck Radius
0.3125 inches
Stem Length
4.3680 inches
Stem Diameter
0.3100 inches
Distance From Groove To Stem End
0.2500 inches
Material And Location
Cobalt alloy seat face
Material And Location
Steel, federal standard 66, sae ev1 stem
Material And Location
Steel, federal standard 66, sae ev1 head
Metallic Hardness Rating And Location
Not rated
Fsc Application Data
Gasoline engine

Pricing and Availability

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26735 Cross Reference
  • 1097S
  • A1097S