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

Engine Poppet Valve

Model / MPN: 30559 | NSN: 2805-00-516-7209
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
2805-00-516-7209
Sold in multiples of
1 EA
DEMIL
NO
Head Style
Concave
Head Height
0.2812 inches
Chamfer Angle In Deg
45.0
Chamfer Length
0.0312 inches
Slot Width
Between 0.1880 inches and 0.1920 inches
Slot Length
Between 0.3910 inches and 0.3990 inches
Outside Diameter
Between 2.4325 inches and 2.4425 inches
Seat Angle In Deg
60.0
Stem Style
Slotted
Carbon Relief Groove
Not included
Neck Radius
0.5625 inches
Stem Length
8.8282 inches
Stem Diameter
Between 0.4970 inches and 0.4980 inches
Distance From Slot To Stem End
0.2500 inches
Slot Radius
0.0937 inches
Material And Location
Steel, federal standard 66, aisi/sae 3140
Metallic Hardness Rating And Location
50.0 shore scleroscope stem
Fsc Application Data
Gasoline engine
30559 Series Parts

Pricing and Availability

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30559 Cross Reference
  • 30559-A
  • V795
  • 30559-A
  • 30559