2805-00-288-3901

Find complete technical information, availability, and procurement data for: 2805-00-288-3901
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2805 Except Aircraft; and Components Gasoline Reciprocating Engines

National Stock Number

2805-00-288-3901

Item Name Code

15884

Assigment Date

01/01/1963 (63 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.

0.1562 inches nominal head height, flat head style, 0.0312 inches nominal chamfer length, 45.0 chamfer angle in deg, 0.2350 inches minimum and 0.2410 inches maximum groove diameter

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: 0.1562 inches nominal
Chamfer Angle In Deg: 45.0
Groove Diameter: 0.2350 inches minimum and 0.2410 inches maximum
Chamfer Length: 0.0312 inches nominal
Groove Width: 0.1310 inches minimum and 0.1350 inches maximum
Outside Diameter: 1.3750 inches nominal
Seat Angle In Deg: 45.0
Stem Style: grooved
Carbon Relief Groove: not included
Neck Radius: 0.3125 inches nominal
Stem Length: 4.6250 inches nominal
Stem Diameter: 0.3100 inches minimum and 0.3110 inches maximum
Distance From Groove To Stem End: 0.1875 inches nominal
Metallic Hardness Rating And Location: 28.0 rockwell c minimum stem
Metallic Hardness Rating And Location: 37.0 rockwell c maximum stem
Metallic Hardness Rating And Location: 45.0 rockwell c nominal tip
Fsc Application Data: asoline engine

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2805-00-424-2657	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
1CW19	Engine Poppet Valve
A299	Engine Poppet Valve
S15031	Engine Poppet Valve

FAQs

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

What is the FSCG of the NSN 2805-00-288-3901?

The FSCG of the NSN 2805-00-288-3901 is 2805

Does the NSN 2805-00-288-3901 have a Schedule B code assigned?

Yes, the Schedule B code is 8409918000

Does NSN 2805-00-288-3901 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 2805-00-288-3901 contain precious materials?

Precious metal content is unknown

Does NSN 2805-00-288-3901 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 2805-00-288-3901 was assigned to the Federal Catalog?

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