Model: 66900

Engine Poppet Valve

Properties:

Head Style
Flat
Head Height
Between 0.2660 inches and 0.2760 inches
Chamfer Angle In Deg
45.0
Chamfer Length
0.0200 inches
Outside Diameter
Between 2.1825 inches and 2.1925 inches
Seat Angle In Deg
44.0
Carbon Relief Groove
Not included
Neck Radius
0.5300 inches
Stem Diameter
Between 0.6195 inches and 0.6200 inches
Distance From First Groove To Stem End
0.1880 inches
Distance From Second Groove To Stem End
0.5200 inches
First Groove Diameter
Between 0.5700 inches and 0.5720 inches
Second Groove Diameter
Between 0.5550 inches and 0.5630 inches
First Groove Width
0.2650 inches
Second Groove Width
Between 0.0440 inches and 0.0520 inches
Material And Location
Cobalt alloy seat face and sodium internal filling and cobalt alloy tip
Fsc Application Data
Gasoline engine
NSN
2805-00-529-8541
Part Number
66900
Description
Valve,poppet,engine
CAGE
0AHP5

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 66900 NSN 2805-00-529-8541

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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