9863-1

View detailed technical data, stock status, and sourcing information for: 9863-1
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-423-4390

Item Name Code

15884

Assigment Date

01/01/1961 (65 years ago)

0.0620 inches nominal chamfer length, flat head style, 0.9330 inches minimum and 0.9410 inches maximum groove diameter, 0.8750 inches nominal head height, 45.0 chamfer angle in deg

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: 0.8750 inches nominal
Chamfer Angle In Deg: 45.0
Groove Diameter: 0.9330 inches minimum and 0.9410 inches maximum
Chamfer Length: 0.0620 inches nominal
Groove Width: 1.0000 inches minimum and 1.0150 inches maximum
Outside Diameter: 6.4900 inches minimum and 6.5100 inches maximum
Seat Angle In Deg: 45.0
Stem Style: grooved
Carbon Relief Groove: not included
Neck Radius: 1.0000 inches nominal
Stem Length: 18.3750 inches nominal
Stem Diameter: 1.1200 inches minimum and 1.1210 inches maximum
Distance From Groove To Stem End: 0.7500 inches nominal
Metallic Hardness Rating And Location: 30.0 rockwell c minimum seat face
Metallic Hardness Rating And Location: 30.0 rockwell c minimum stem
Metallic Hardness Rating And Location: 30.0 rockwell c minimum head
Metallic Hardness Rating And Location: 38.0 rockwell c maximum head
Metallic Hardness Rating And Location: 38.0 rockwell c maximum seat face
Metallic Hardness Rating And Location: 38.0 rockwell c maximum stem
Metallic Hardness Rating And Location: 55.0 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
96626	Engine Poppet Valve
9863-1	Engine Poppet Valve

FAQs

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

What is the FSCG of the NSN 2815-00-423-4390?

The FSCG of the NSN 2815-00-423-4390 is 2815

Does the NSN 2815-00-423-4390 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-423-4390 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 2815-00-423-4390 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-423-4390 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 2815-00-423-4390 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961