Model: 1A90136C

Engine Poppet Valve

Properties:

Head Style
Inverted cone
Head Height
Between 0.1870 inches and 0.2020 inches
Chamfer Angle In Deg
30.0
Chamfer Length
0.0290 inches
Outside Diameter
Between 1.4320 inches and 1.4420 inches
Seat Angle In Deg
45.0
Stem Style
Double grooved
Carbon Relief Groove
Not included
Neck Radius
0.3125 inches
Stem Length
5.1090 inches
Stem Diameter
Between 0.3715 inches and 0.3720 inches
Distance From First Groove To Stem End
Between 0.2140 inches and 0.2190 inches
Distance From Second Groove To Stem End
Between 0.5250 inches and 0.5320 inches
First Groove Diameter
Between 0.3020 inches and 0.3080 inches
Second Groove Diameter
Between 0.3020 inches and 0.3080 inches
First Groove Width
Between 0.0940 inches and 0.0990 inches
Second Groove Width
Between 0.0940 inches and 0.0990 inches
Material And Location
Steel, federal standard 66, aisi/sae 3140
Fsc Application Data
Gasoline engine
NSN
2805-00-363-8735
Part Number
1A90136C
Description
Valve,poppet,engine
CAGE
23382

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 1A90136C NSN 2805-00-363-8735

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: 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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