2805-00-511-2170

Find complete technical information, availability, and procurement data for: 2805-00-511-2170
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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

2805-00-511-2170

Item Name Code

15884

Assigment Date

01/01/1963 (63 years ago)

0.1340 inches minimum and 0.1540 inches maximum head height, 0.2980 inches minimum and 0.30430 inches maximum groove diameter, 0.0100 inches nominal chamfer length, flat head style, 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: 0.1340 inches minimum and 0.1540 inches maximum
Chamfer Angle In Deg: 45.0
Groove Diameter: 0.2980 inches minimum and 0.30430 inches maximum
Chamfer Length: 0.0100 inches nominal
Groove Width: 0.0950 inches minimum and 0.1050 inches maximum
Outside Diameter: 1.6900 inches minimum and 1.7000 inches maximum
Seat Angle In Deg: 44.0
Stem Style: grooved
Carbon Relief Groove: not included
Neck Radius: 0.2500 inches nominal
Stem Length: 3.8870 inches minimum and 3.9230 inches maximum
Stem Diameter: 0.3412 inches minimum and 0.3422 inches maximum
Distance From Groove To Stem End: 0.2295 inches minimum and 0.2505 inches maximum
Metallic Hardness Rating And Location: 40.0 rockwell c minimum overall
Metallic Hardness Rating And Location: 45.0 rockwell c maximum overall
Fsc Application Data: gasoline engine

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2805-00-859-2323	No Name Available	09/17/1973

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
531608	Engine Poppet Valve

FAQs

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

What is the FSCG of the NSN 2805-00-511-2170?

The FSCG of the NSN 2805-00-511-2170 is 2805

Does the NSN 2805-00-511-2170 have a Schedule B code assigned?

Yes, the Schedule B code is 8409918000

Does NSN 2805-00-511-2170 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 2805-00-511-2170 contain precious materials?

Precious metal content is unknown

Does NSN 2805-00-511-2170 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 2805-00-511-2170 was assigned to the Federal Catalog?

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