Model: 1S2903

Engine Poppet Valve

Properties:

Head Style
Flat
Head Height
0.2170 inches
Groove Diameter
0.2700 inches
Groove Width
0.1000 inches
Outside Diameter
1.3700 inches
Seat Angle In Deg
45.0
Stem Style
Grooved
Carbon Relief Groove
Not included
Neck Radius
0.6100 inches
Stem Length
5.5850 inches
Stem Diameter
0.3100 inches
Distance From Groove To Stem End
0.1930 inches
Material And Location
Steel stem
Material And Location
Steel, corrosion resisting head
Metallic Hardness Rating And Location
Not rated
NSN
2815-00-105-2446
Part Number
1S2903
Description
Valve,poppet,engine
CAGE
11083

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 1S2903 NSN 2815-00-105-2446

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: 8409998000
  • SITC: 71392
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Freight Class: Parts for compression-ignition internal combustion piston engines (diesel), nesoi

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