Model: I-242

Engine Poppet Valve

Properties:

Head Style
Flat
Head Height
0.2031 inches
Chamfer Angle In Deg
30.0
Chamfer Length
0.0312 inches
Outside Diameter
Between 2.0890 inches and 2.0990 inches
Seat Angle In Deg
45.0
Stem Style
Double grooved
Carbon Relief Groove
Not included
Neck Radius
0.6875 inches
Stem Length
6.7031 inches
Stem Diameter
Between 0.4015 inches and 0.4025 inches
Distance From First Groove To Stem End
Between 0.3070 inches and 0.3170 inches
Distance From Second Groove To Stem End
0.9062 inches
First Groove Diameter
Between 0.3290 inches and 0.3350 inches
Second Groove Diameter
Between 0.3435 inches and 0.3485 inches
First Groove Width
Between 0.3070 inches and 0.3170 inches
Second Groove Width
0.0625 inches
Material And Location
Steel, federal standard 66, aisi/sae 3140
Metallic Hardness Rating And Location
45.0 rockwell c tip
Fsc Application Data
Gasoline engine
NSN
2805-00-358-3755
Part Number
I-242
Description
Valve,poppet,engine
CAGE
79606

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 I-242 NSN 2805-00-358-3755

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

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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