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

Engine Poppet Valve

Model / MPN: 1998 | NSN: 2805-00-088-3337
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
2805-00-088-3337
Sold in multiples of
1 EA
DEMIL
NO
Head Style
Flat
Head Height
Between 0.1325 inches and 0.1475 inches
Chamfer Angle In Deg
45.0
Groove Diameter
Between 0.2980 inches and 0.3040 inches
Chamfer Length
0.0312 inches
Groove Width
Between 0.0950 inches and 0.1050 inches
Outside Diameter
Between 1.3740 inches and 1.3840 inches
Seat Angle In Deg
44.0
Stem Style
Grooved
Carbon Relief Groove
Not included
Neck Radius
0.3125 inches
Stem Length
Between 5.3980 inches and 5.4080 inches
Stem Diameter
Between 0.3425 inches and 0.3430 inches
Distance From Groove To Stem End
Between 0.5350 inches and 0.5750 inches
Material And Location
Steel, federal standard 66, aisi/sae 4140
Fsc Application Data
Gasoline engine
1998 Series Parts

Pricing and Availability

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1998 Cross Reference
  • 101-0881
  • 101-881
  • 101B881
  • 110-0881
  • V-2276N
  • 110-881
  • 110-912
  • 110B881
  • 110B912
  • 110B881