4-2670

Engine Poppet Valve

NSN 2805-00-737-8857

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

UOM:

NIIN:

007378857

Product Technical Spec.

Head Style:

Flat

Head Height:

Between 0.1400 inches and 0.1600 inches

Chamfer Angle In Deg:

45.0

Chamfer Length:

0.0312 inches

Outside Diameter:

Between 1.7450 inches and 1.7550 inches

Seat Angle In Deg:

45.0

Stem Style:

Double grooved

Carbon Relief Groove:

Not included

Neck Radius:

0.3120 inches

Stem Length:

Between 4.5515 inches and 4.5965 inches

Stem Diameter:

Between 0.3415 inches and 0.3425 inches

Distance From First Groove To Stem End:

0.1830 inches

Distance From Second Groove To Stem End:

0.4540 inches

First Groove Diameter:

Between 0.2980 inches and 0.3040 inches

Second Groove Diameter:

Between 0.2740 inches and 0.2800 inches

First Groove Width:

Between 0.0950 inches and 0.1050 inches

Second Groove Width:

0.0390 mils and 0.0450 centimeters

Material And Location:

Steel

Fsc Application Data:

Gasoline engine

NSN:

2805-00-737-8857

Item Name:

Valve,exhaust Engine

Cage Code:

24617

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

4-2670

Cage Code:

7X677

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

7378857

Cage Code:

19207

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15884

FIIG:

A11200

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

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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Pricing & Availability

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Definition Definition of approved item name (AIN): "Exhaust Engine Valve"

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.