Model: 874918R2

Engine Poppet Valve

Properties:

Head Style
Concave
Head Height
0.1920 inches
Chamfer Angle In Deg
45.0
Chamfer Length
0.0156 inches
Outside Diameter
1.7343 inches
Minor Outside Diameter
0.3710 inches
Minor Diameter Length
1.0000 inches
Seat Angle In Deg
40.0
Stem Style
Double grooved
Carbon Relief Groove
Not included
Neck Radius
0.4062 inches
Stem Length
5.2810 inches
Stem Diameter
0.4145 inches
Distance From First Groove To Stem End
0.5469 inches
Distance From Second Groove To Stem End
0.7500 inches
First Groove Diameter
0.3260 inches
Second Groove Diameter
0.3260 inches
Third Groove Diameter
0.0156 inches
First Groove Width
0.1250 inches
Second Groove Width
0.0781 inches
Material And Location
Steel, corrosion resisting
NSN
2805-00-890-9946
Part Number
874918R2
Description
Valve,poppet,engine
CAGE
89346

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 874918R2 NSN 2805-00-890-9946

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:
SU
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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