9H4811

View detailed technical data, stock status, and sourcing information for: 9H4811

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9H4811
Federal Supply Group
Engines, Turbines, and Components
Federal Supply Classification
2815 Diesel Engines and Components
National Stock Number
2815-00-987-7139
Item Name Code
15884
Assigment Date
10/28/1966 (59 years ago)

45.0 chamfer angle in deg, 0.0156 inches nominal chamfer length, 0.2000 inches nominal head height, 1.6985 inches nominal outside diameter, flat 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
flat
Head Height
0.2000 inches nominal
Chamfer Angle In Deg
45.0
Chamfer Length
0.0156 inches nominal
Outside Diameter
1.6985 inches nominal
Seat Angle In Deg
30.0
Stem Style
double grooved
Carbon Relief Groove
not included
Neck Radius
0.3750 inches nominal
Stem Length
5.7100 inches nominal
Stem Diameter
0.3720 inches nominal
Distance From First Groove To Stem End
0.2640 inches nominal
Distance From Second Groove To Stem End
0.4200 inches nominal
First Groove Diameter
0.3125 inches nominal
Second Groove Diameter
0.3125 inches nominal
First Groove Width
0.0625 inches nominal
Second Groove Width
0.0625 inches nominal
Material And Location
unable to decode

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
2805-00-847-4442 No Name Available 01/29/1968

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
9H4811 Engine Poppet Valve
IPD9H4811 Engine Poppet Valve

FAQs

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

What is the FSCG of the NSN 2815-00-987-7139?
The FSCG of the NSN 2815-00-987-7139 is 2815
Does the NSN 2815-00-987-7139 have a Schedule B code assigned?
Yes, the Schedule B code is 8409998000
Does NSN 2815-00-987-7139 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 2815-00-987-7139 contain precious materials?
Precious metal content is unknown
Does NSN 2815-00-987-7139 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 2815-00-987-7139 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Fri, Oct 28, 1966

Professional Distribution

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