1905-2066

View detailed technical data, stock status, and sourcing information for: 1905-2066
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-271-9077

Item Name Code

15884

Assigment Date

01/01/1961 (65 years ago)

0.1062 inches minimum and 0.1162 inches maximum head height, mushroom head style, 0.0156 inches nominal chamfer length, 1.7250 inches minimum and 1.7350 inches maximum outside diameter, 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: mushroom
Head Height: 0.1062 inches minimum and 0.1162 inches maximum
Chamfer Angle In Deg: 45.0
Chamfer Length: 0.0156 inches nominal
Outside Diameter: 1.7250 inches minimum and 1.7350 inches maximum
Seat Angle In Deg: 45.0
Stem Style: multi-grooved
Carbon Relief Groove: not included
Neck Radius: 0.3750 inches nominal
Stem Length: 6.2813 inches nominal
Stem Diameter: 0.3715 inches minimum and 0.3725 inches maximum
Distance From First Groove To Stem End: 0.2500 inches nominal
Distance From Second Groove To Stem End: 0.4060 inches nominal
Distance From Third Groove To Stem End: 0.7500 inches nominal
First Groove Diameter: 0.3020 inches minimum and 0.3080 inches maximum
Second Groove Diameter: 0.3020 inches minimum and 0.3080 inches maximum
Third Groove Diameter: 0.3460 inches minimum and 0.3520 inches maximum
First Groove Width: 0.0625 inches nominal
Second Groove Width: 0.0625 inches nominal
Third Groove Width: 0.0440 inches nominal
Metallic Hardness Rating And Location: 42.0 shore scleroscope minimum stem
Metallic Hardness Rating And Location: 54.0 shore scleroscope maximum stem
Metallic Hardness Rating And Location: 65.0 shore scleroscope nominal tip
Fsc Application Data: diesel engine

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2815-00-352-3198	No Name Available	01/01/1963

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
1905-2066	Engine Poppet Valve
4343797	Engine Poppet Valve
4343797-9	Engine Poppet Valve

FAQs

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

What is the FSCG of the NSN 2815-00-271-9077?

The FSCG of the NSN 2815-00-271-9077 is 2815

Does the NSN 2815-00-271-9077 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-271-9077 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 2815-00-271-9077 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-271-9077 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 2815-00-271-9077 was assigned to the Federal Catalog?

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