14050658

View detailed technical data, stock status, and sourcing information for: 14050658
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-01-163-7190

Item Name Code

15884

Assigment Date

10/06/1983 (42 years ago)

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.

47.57 millimeters nominal outside diameter, flat head style, 20.0 chamfer angle in deg, 1.00 millimeters nominal chamfer length, 4.70 millimeters nominal head height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Head Style: flat
Head Height: 4.70 millimeters nominal
Chamfer Angle In Deg: 20.0
Chamfer Length: 1.00 millimeters nominal
Outside Diameter: 47.57 millimeters nominal
Minor Outside Diameter: 8.67 millimeters nominal
Minor Diameter Length: 18.44 millimeters maximum
Seat Angle In Deg: 45.0
Stem Style: double grooved
Carbon Relief Groove: not included
Neck Radius: 15.00 millimeters nominal
Stem Length: 125.23 millimeters nominal
Stem Diameter: 8.75 millimeters nominal
Distance From First Groove To Stem End: 7.00 millimeters maximum
Distance From Second Groove To Stem End: 13.35 millimeters maximum
First Groove Diameter: 7.60 millimeters nominal
Second Groove Diameter: 7.60 millimeters nominal
First Groove Width: 2.67 millimeters maximum
Second Groove Width: 2.67 millimeters maximum
Metallic Hardness Rating And Location: 42.0 rockwell c maximum head
Metallic Hardness Rating And Location: 42.0 rockwell c maximum stem
Metallic Hardness Rating And Location: 49.0 rockwell c minimum stem

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2815-01-493-4315	No Name Available	08/01/2002

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
14050658	Engine Poppet Valve
23500059	Engine Poppet Valve
2815PL0873777	Engine Poppet Valve
5740194	Engine Poppet Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 2815-01-163-7190?

The FSCG of the NSN 2815-01-163-7190 is 2815

Does the NSN 2815-01-163-7190 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-01-163-7190 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 2815-01-163-7190 contain precious materials?

Item does not contain precious metal.

Does NSN 2815-01-163-7190 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 2815-01-163-7190 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Thu, Oct 6, 1983