Model: MD3729A

Engine Poppet Valve

Properties:

Head Style
Flat
Head Height
0.2500 inches
Chamfer Angle In Deg
45.0
Chamfer Length
0.0312 inches
Outside Diameter
Between 1.8100 inches and 1.8150 inches
Seat Angle In Deg
45.0
Stem Style
Double grooved
Carbon Relief Groove
Included
Neck Radius
0.5000 inches
Stem Length
6.9062 inches
Stem Diameter
Between 0.4350 inches and 0.4355 inches
Distance From First Groove To Stem End
0.2500 inches
Distance From Second Groove To Stem End
0.8750 inches
First Groove Diameter
Between 0.3740 inches and 0.3760 inches
Second Groove Diameter
Between 0.4050 inches and 0.4100 inches
First Groove Width
0.5625 inches
Second Groove Width
0.0625 inches
Material And Location
Steel, federal standard 66, sae ev3 head
Material And Location
Steel, federal standard 66, aisi/sae 3140 stem
Fsc Application Data
Diesel engine
NSN
2815-00-424-4413
Part Number
MD3729A
Description
Valve,poppet,engine
CAGE
76558

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 MD3729A NSN 2815-00-424-4413

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:
A
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: 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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