Model: S749I309

Engine Poppet Valve

Properties:

Head Style
Mushroom
Head Height
Between 0.2740 inches and 0.2840 inches
Chamfer Angle In Deg
30.0
Chamfer Length
0.0060 inches
Outside Diameter
Between 2.1360 inches and 2.1460 inches
Seat Angle In Deg
46.0
Stem Style
Double grooved
Carbon Relief Groove
Not included
Neck Radius
0.3750 inches
Stem Length
Between 7.0795 inches and 7.0945 inches
Stem Diameter
Between 0.4880 inches and 0.4930 inches
Distance From First Groove To Stem End
Between 0.4380 inches and 0.4680 inches
Distance From Second Groove To Stem End
Between 0.6370 inches and 0.7860 inches
First Groove Diameter
Between 0.4220 inches and 0.4280 inches
Second Groove Diameter
Between 0.4550 inches and 0.4600 inches
First Groove Width
Between 0.0500 inches and 0.0625 inches
Second Groove Width
0.0350 mils and 0.0400 centimeters
Material And Location
Sodium internal filling
Material And Location
Steel head
Material And Location
Steel stem
Material And Location
Steel, federal standard 66, sae vf2 seat face
Metallic Hardness Rating And Location
54.0 rockwell c tip
Fsc Application Data
Gasoline engine
NSN
2805-00-333-6253
Part Number
S749I309
Description
Valve,poppet,engine
CAGE
14351

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 S749I309 NSN 2805-00-333-6253

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.7000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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Phone: +1 470-231-0824
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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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