4351494

View detailed technical data, stock status, and sourcing information for: 4351494
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-516-6287

Item Name Code

15884

Assigment Date

01/01/1963 (63 years ago)

0.0156 inches nominal chamfer length, 1.5060 inches minimum and 1.5160 inches maximum outside diameter, 45.0 chamfer angle in deg, 0.1760 inches minimum and 0.2060 inches maximum head height, mushroom head style

Product Characteristics

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

Head Style: mushroom
Head Height: 0.1760 inches minimum and 0.2060 inches maximum
Chamfer Angle In Deg: 45.0
Chamfer Length: 0.0156 inches nominal
Outside Diameter: 1.5060 inches minimum and 1.5160 inches maximum
Seat Angle In Deg: 45.0
Stem Style: double grooved
Carbon Relief Groove: not included
Neck Radius: 1.3750 inches nominal
Stem Length: 5.6700 inches minimum and 5.6800 inches maximum
Stem Diameter: 0.3095 inches minimum and 0.3100 inches maximum
Distance From First Groove To Stem End: 0.2970 inches minimum and 0.3170 inches maximum
Distance From Second Groove To Stem End: 0.9531 inches nominal
First Groove Diameter: 0.2670 inches minimum and 0.2730 inches maximum
Second Groove Diameter: 0.2920 inches minimum and 0.2980 inches maximum
First Groove Width: 0.0950 inches minimum and 0.1050 inches maximum
Second Groove Width: 0.0180 inches nominal
Metallic Hardness Rating And Location: 30.0 rockwell c minimum stem
Metallic Hardness Rating And Location: 40.0 rockwell c maximum stem
Metallic Hardness Rating And Location: 49.0 rockwell c nominal tip
Fsc Application Data: diesel engine

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
4351494	Engine Poppet Valve

FAQs

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

What is the FSCG of the NSN 2815-00-516-6287?

The FSCG of the NSN 2815-00-516-6287 is 2815

Does the NSN 2815-00-516-6287 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-516-6287 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 2815-00-516-6287 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-516-6287 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 2815-00-516-6287 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963