Model: 18011A

Engine Poppet Valve

Properties:

Head Style
Flat
Head Height
Between 0.1981 inches and 0.2081 inches
Chamfer Angle In Deg
45.0
Chamfer Length
Between 0.0262 inches and 0.0362 inches
Outside Diameter
Between 1.8700 inches and 1.8880 inches
Seat Angle In Deg
30.0
Stem Style
Double grooved
Carbon Relief Groove
Not included
Neck Radius
Between 0.4950 inches and 0.5050 inches
Stem Length
Between 5.7450 inches and 5.7550 inches
Stem Diameter
Between 0.3720 inches and 0.3730 inches
Distance From First Groove To Stem End
Between 0.2762 inches and 0.2862 inches
Distance From Second Groove To Stem End
Between 0.4322 inches and 0.4422 inches
First Groove Diameter
Between 0.3010 inches and 0.3070 inches
Second Groove Diameter
Between 0.3010 inches and 0.3070 inches
First Groove Width
0.0625 inches
Second Groove Width
0.0625 inches
Material And Location
Steel, federal standard 66, sae ev4
Fsc Application Data
Gasoline engine
NSN
2805-00-288-3863
Part Number
18011A
Description
Valve,poppet,engine
CAGE
1ML14

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 18011A NSN 2805-00-288-3863

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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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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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