Engine Poppet Valve NSN 2805-00-333-6253

Item Description

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.

NSN: 2805-00-333-6253

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Features and Characteristics

Head Style

Mushroom

Head Height

Between 0.2740 inches and 0.2840 inches

Chamfer Angle In Deg

30.0

Chamfer Length

0.0060 inches

Outside Diameter

Between 2.1360 inches and 2.1460 inches

Seat Angle In Deg

46.0

Stem Style

Double grooved

Carbon Relief Groove

Not included

Neck Radius

0.3750 inches

Stem Length

Between 7.0795 inches and 7.0945 inches

Stem Diameter

Between 0.4880 inches and 0.4930 inches

Distance From First Groove To Stem End

Between 0.4380 inches and 0.4680 inches

Distance From Second Groove To Stem End

Between 0.6370 inches and 0.7860 inches

First Groove Diameter

Between 0.4220 inches and 0.4280 inches

Second Groove Diameter

Between 0.4550 inches and 0.4600 inches

First Groove Width

Between 0.0500 inches and 0.0625 inches

Second Groove Width

0.0350 mils and 0.0400 centimeters

Material And Location

Steel, federal standard 66, sae vf2 seat face

Metallic Hardness Rating And Location

54.0 rockwell c tip

Fsc Application Data

Gasoline engine

FSC

2805 Except Aircraft; And Components Gasoline Reciprocating Engines

NIIN

003336253

NSN

2805003336253

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

S749I309

Cage Code:

14351

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8409918000
NAICS: 333618
SITC: 71391
Description: Parts for spark-ignition internal combustion piston engines, nesoi
End Use (Code 21100):
Industrial engines

Q & A

Frequently asked questions for NSN 2805-00-333-6253

What are the manufacturers of nsn 2805003336253?

Teledyne Continental Motors (14351)

Does this nsn 2805003336253 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 2805003336253
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.

Does nsn 2805003336253 contain any precious metals?
Precious metal content is unknown.

Does nsn 2805003336253 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 2805003336253?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

15884

FIIG:

A11200

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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