Model: 202161

Engine Poppet Valve

Properties:

Head Style
Concave
Head Height
Between 0.2660 inches and 0.2760 inches
Chamfer Angle In Deg
45.0
Groove Diameter
Between 0.5380 inches and 0.5440 inches
Chamfer Length
0.0200 inches
Groove Width
Between 0.1870 inches and 0.1970 inches
Outside Diameter
Between 2.1825 inches and 2.1925 inches
Seat Angle In Deg
44.0
Stem Style
Grooved
Carbon Relief Groove
Not included
Neck Radius
0.5300 inches
Stem Length
Between 4.6220 inches and 4.6320 inches
Stem Diameter
Between 0.6195 inches and 0.6200 inches
Distance From Groove To Stem End
Between 0.3910 inches and 0.4120 inches
Material And Location
Steel, ams 5700
Metallic Hardness Rating And Location
60.0 rockwell c tip
NSN
2805-00-700-6841
Part Number
202161
Description
Valve,poppet,engine
CAGE
02978

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 202161 NSN 2805-00-700-6841

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:
85.0
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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