C657

Engine Poppet Valve

NSN 2805-00-353-5830

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

003535830

Technical Specifications of NSN

Head Style:

Flat

Head Height:

0.1719 inches

Chamfer Angle In Deg:

45.0

Chamfer Length:

0.0312 inches

Taper Angle In Deg:

15.0

Outside Diameter:

Between 1.2450 inches and 1.2550 inches

Minor Outside Diameter:

Between 0.1960 inches and 0.2000 inches

Minor Diameter Length:

0.0940 inches

Seat Angle In Deg:

45.0

Stem Style:

Tapered

Carbon Relief Groove:

Not included

Neck Radius:

0.2500 inches

Stem Length:

Between 4.5319 inches and 4.5460 inches

Stem Diameter:

Between 0.3080 inches and 0.3090 inches

Distance From Minor Diameter To Stem End:

Between 0.1740 inches and 0.1760 inches

Material And Location:

Steel, federal standard 66, aisi/sae 8645 head

Material And Location:

Steel, federal standard 66, aisi/sae 8645 stem

Material And Location:

Steel, federal standard 66, sae vf2 seat face

Metallic Hardness Rating And Location:

43.0 shore scleroscope tip

Fsc Application Data:

Gasoline engine

NSN:

2805-00-353-5830

Item Name:

Valve,engine

Cage Code:

80900

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

AE75D1

Cage Code:

66289

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): "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.