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

Engine Poppet Valve

Model / MPN: 235838 | NSN: 2805-00-131-1833
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
2805-00-131-1833
Sold in multiples of
1 EA
DEMIL
NO
Head Style
Flat
Head Height
0.1562 inches
Chamfer Angle In Deg
45.0
Groove Diameter
Between 0.2670 inches and 0.2730 inches
Chamfer Length
0.0312 inches
Groove Width
Between 0.0950 inches and 0.1050 inches
Outside Diameter
Between 1.1200 inches and 1.1300 inches
Seat Angle In Deg
45.0
Stem Style
Grooved
Carbon Relief Groove
Not included
Neck Radius
0.3125 inches
Stem Length
Between 4.5720 inches and 4.5820 inches
Stem Diameter
0.3090 inches
Distance From Groove To Stem End
0.2812 inches
Material And Location
Steel, federal standard 66, aisi/sae 3140
Metallic Hardness Rating And Location
40.0 rockwell c stem and 45.0 rockwell c stem
23583 Series Parts

Pricing and Availability

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235838 Cross Reference
  • 235838
  • 235055