Engine Poppet Valve NSN 2805-00-718-3957

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: 2805-00-718-3957

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Features and Characteristics

Head Style

Flat

Head Height

Between 0.1860 inches and 0.2010 inches

Chamfer Angle In Deg

15.0

Chamfer Length

Between 0.0020 inches and 0.0100 inches

Outside Diameter

Between 1.4950 inches and 1.5050 inches

Seat Angle In Deg

46.0

Stem Style

Double grooved

Carbon Relief Groove

Not included

Neck Radius

0.3440 inches

Stem Length

Between 4.7120 inches and 4.7470 inches

Stem Diameter

Between 0.3400 inches and 0.3407 inches

Distance From First Groove To Stem End

0.2890 inches

Distance From Second Groove To Stem End

Between 0.5290 inches and 0.5390 inches

First Groove Diameter

Between 0.2970 inches and 0.3030 inches

Second Groove Diameter

Between 0.2970 inches and 0.3030 inches

First Groove Width

Between 0.0950 inches and 0.1050 inches

Second Groove Width

0.1050 mils and 0.1150 centimeters

Material And Location

Steel, federal standard 66, sae hnv3 head

Metallic Hardness Rating And Location

32.0 rockwell c

Fsc Application Data

Gasoline engine

FSC

2805 Except Aircraft; And Components Gasoline Reciprocating Engines

NIIN

007183957

NSN

2805007183957

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

3735316

Cage Code:

7X677

Status:

MSDS:

Part Number:

B34528

Cage Code:

88907

Status:

MSDS:

Part Number:

D-1679S

Cage Code:

95019

Status:

MSDS:

Part Number:

149859

Cage Code:

30076

Status:

MSDS:

Part Number:

189610

Cage Code:

04627

Status:

MSDS:

Part Number:

E-255S

Cage Code:

83087

Status:

MSDS:

Part Number:

1679S

Cage Code:

54509

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 2805-00-718-3957

What are the manufacturers of nsn 2805007183957?

Does this nsn 2805007183957 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 2805007183957
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 2805007183957 contain any precious metals?
Precious metal content is unknown.

Does nsn 2805007183957 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 2805007183957?
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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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service