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.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

133300

UFC:

63220

LTL:

RATING VARIABLE

LCL:

85.0

WCC:

593

TCC:

SHC:

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