Model: 839412

Engine Poppet Valve

Properties:

Head Style
Inverted cone
Head Height
Between 0.1650 inches and 0.1800 inches
Chamfer Angle In Deg
45.0
Groove Diameter
Between 0.3000 inches and 0.3060 inches
Chamfer Length
Between 0.0310 inches and 0.1600 inches
Groove Width
Between 0.0950 inches and 0.1050 inches
Outside Diameter
Between 1.4640 inches and 1.4740 inches
Seat Angle In Deg
30.0
Carbon Relief Groove
Not included
Neck Radius
0.3440 inches
Stem Diameter
Between 0.3400 inches and 0.3407 inches
Distance From Groove To Stem End
Between 0.4649 inches and 0.4749 inches
Material And Location
Steel, federal standard 66, sae hnv4
Metallic Hardness Rating And Location
42.0 rockwell c tip
Fsc Application Data
Gasoline engine
NSN
2805-00-386-3660
Part Number
839412
Description
Valve,poppet,engine
CAGE
24617

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 839412 NSN 2805-00-386-3660

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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