2805-00-361-2538

Find complete technical information, availability, and procurement data for: 2805-00-361-2538
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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

2805-00-361-2538

Item Name Code

15884

Assigment Date

01/01/1961 (65 years ago)

flat head style, 1.7440 inches minimum and 1.7540 inches maximum outside diameter, 45.0 chamfer angle in deg, 0.1875 inches nominal head height, 0.0312 inches nominal chamfer length

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: 0.1875 inches nominal
Chamfer Angle In Deg: 45.0
Chamfer Length: 0.0312 inches nominal
Outside Diameter: 1.7440 inches minimum and 1.7540 inches maximum
Seat Angle In Deg: 44.0
Stem Style: double grooved
Carbon Relief Groove: not included
Neck Radius: 0.3125 inches nominal
Stem Length: 4.9375 inches nominal
Stem Diameter: 0.3710 inches minimum and 0.3720 inches maximum
Distance From First Groove To Stem End: 0.3437 inches nominal
Distance From Second Groove To Stem End: 0.5000 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
First Groove Width: 0.0625 inches nominal
Second Groove Width: 0.0625 inches nominal
Metallic Hardness Rating And Location: 50.0 rockwell superficial 30-n minimum stem
Metallic Hardness Rating And Location: 50.0 rockwell superficial 30-n minimum head
Metallic Hardness Rating And Location: 57.0 rockwell superficial 30-n maximum head
Metallic Hardness Rating And Location: 57.0 rockwell superficial 30-n maximum stem
Metallic Hardness Rating And Location: 67.0 rockwell superficial 30-n minimum tip
Fsc Application Data: gasoline 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
4B7263	Engine Poppet Valve
IPD4B7263	Engine Poppet Valve

FAQs

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

What is the FSCG of the NSN 2805-00-361-2538?

The FSCG of the NSN 2805-00-361-2538 is 2805

Does the NSN 2805-00-361-2538 have a Schedule B code assigned?

Yes, the Schedule B code is 8409918000

Does NSN 2805-00-361-2538 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 2805-00-361-2538 contain precious materials?

Precious metal content is unknown

Does NSN 2805-00-361-2538 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 2805-00-361-2538 was assigned to the Federal Catalog?

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