Model: 2121579

Engine Poppet Valve

Properties:

Head Style
Concave
Head Height
0.5625 inches
Chamfer Angle In Deg
30.0
Chamfer Length
0.0156 inches
Outside Diameter
1.6250 inches
Minor Outside Diameter
0.3690 inches
Minor Diameter Length
0.5938 inches
Seat Angle In Deg
45.0
Stem Style
Double grooved
Carbon Relief Groove
Not included
Neck Radius
0.2500 inches
Stem Length
4.6250 inches
Stem Diameter
0.3950 inches
Distance From First Groove To Stem End
0.3125 inches
Distance From Second Groove To Stem End
0.4688 inches
First Groove Diameter
0.3040 inches
Second Groove Diameter
0.3040 inches
First Groove Width
0.0625 inches
Second Groove Width
0.0625 inches
Material And Location
Steel
NSN
2805-00-444-2062
Part Number
2121579
Description
Valve,poppet,engine
CAGE
12204

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 2121579 NSN 2805-00-444-2062

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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