Model: 52-3133

Engine Poppet Valve

Properties:

Head Style

Flat

Head Height

Between 0.1750 inches and 0.1900 inches

Chamfer Angle In Deg

45.0

Chamfer Length

0.0200 inches

Outside Diameter

Between 1.7400 inches and 1.7500 inches

Seat Angle In Deg

30.0

Stem Style

Multi-grooved

Carbon Relief Groove

Included

Neck Radius

0.5312 inches

Stem Length

Between 6.7240 inches and 6.7530 inches

Stem Diameter

Between 0.4020 inches and 0.4030 inches

Distance From First Groove To Stem End

Between 0.3790 inches and 0.3900 inches

Distance From Second Groove To Stem End

Between 0.5340 inches and 0.5470 inches

Distance From Third Groove To Stem End

Between 4.3830 inches and 4.4110 inches

First Groove Diameter

Between 0.3000 inches and 0.3100 inches

Second Groove Diameter

Between 0.3000 inches and 0.3100 inches

Third Groove Diameter

Between 0.3900 inches and 0.3950 inches

First Groove Width

Between 0.0302 inches and 0.0322 inches

Second Groove Width

0.0302 mils and 0.0322 centimeters

Third Groove Width

0.7500 inches

Material And Location

Steel

NSN

2815-00-374-4327

Part Number

52-3133

Description

Valve,poppet,engine

CAGE

93742

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 52-3133 NSN 2815-00-374-4327

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:

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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