Model: S-2090

Engine Poppet Valve

Properties:

Head Style
Flat
Head Height
Between 0.8390 inches and 0.8490 inches
Chamfer Angle In Deg
15.7
Chamfer Length
0.0100 inches
Outside Diameter
Between 0.8390 inches and 0.8490 inches
Seat Angle In Deg
45.0
Stem Style
Double grooved
Carbon Relief Groove
Not included
Neck Radius
0.3440 inches
Stem Length
Between 4.7810 inches and 4.7910 inches
Stem Diameter
0.3400 inches
Distance From First Groove To Stem End
Between 0.4210 inches and 0.4810 inches
Distance From Second Groove To Stem End
Between 0.7660 inches and 0.8460 inches
First Groove Diameter
Between 0.2970 inches and 0.3030 inches
Second Groove Diameter
Between 0.2970 inches and 0.3030 inches
First Groove Width
Between 0.0950 inches and 0.1050 inches
Second Groove Width
0.1050 mils and 0.1150 centimeters
Material And Location
Steel, federal standard 66, sae ev8
Fsc Application Data
Gasoline engine
NSN
2805-00-938-1609
Part Number
S-2090
Description
Valve,poppet,engine
CAGE
20912

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.

Part S-2090 NSN 2805-00-938-1609

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15884
FIIG:
A11200
Concept No.:
1
App. Key:
A
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8409918000
  • SITC: 71391
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Freight Class: Parts for spark-ignition internal combustion piston engines, nesoi

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