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

Engine Poppet Valve

Model / MPN: F-4960 | NSN: 2815-00-097-1851
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
2815-00-097-1851
Sold in multiples of
1 EA
DEMIL
NO
Head Style
Flat
Head Height
0.4240 inches
Chamfer Angle In Deg
45.0
Chamfer Length
0.1625 inches
Outside Diameter
3.1875 inches
Seat Angle In Deg
45.0
Stem Style
Double grooved
Carbon Relief Groove
Not included
Neck Radius
0.9688 inches
Stem Length
11.9510 inches
Stem Diameter
0.7480 inches
Distance From First Groove To Stem End
0.5860 inches
Distance From Second Groove To Stem End
1.6890 inches
First Groove Diameter
0.6240 inches
Second Groove Diameter
0.6140 inches
First Groove Width
0.5540 inches
Second Groove Width
0.0625 inches
Second Groove Width
0.0625 inches
Material And Location
Steel stem
Material And Location
Steel, corrosion resisting head
Metallic Hardness Rating And Location
Not rated

Pricing and Availability

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F-4960 Cross Reference
  • F4960