2805-00-354-0647

Find complete technical information, availability, and procurement data for: 2805-00-354-0647
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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

2805-00-354-0647

Item Name Code

16509

Assigment Date

01/01/1963 (63 years ago)

1.2501 inches minimum and 1.2504 inches maximum pinhole diameter, 5.500 inches nominal overall height, hole oil passage type, flat head style, 4.625 inches nominal 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
Overall Height: 5.500 inches nominal
Diameter: 4.625 inches nominal
Oil Passage Type: hole
Pinhole Diameter: 1.2501 inches minimum and 1.2504 inches maximum
Surface Finish: finished
Finished Size Designation: standard
Skirt Type: solid
Skirt Bottom Cutaway Feature: not included
Ring Groove Quantity: 4
Ring Groove Width: 0.1880 inches minimum and 0.1890 inches maximum 1st ring
Ring Groove Width: 0.2500 inches minimum and 0.2510 inches maximum 3rd ring
Ring Groove Width: 0.1875 inches minimum and 0.1885 inches maximum 2nd ring
Ring Groove Diameter: 4.164 inches minimum and 4.174 inches maximum 3rd ring
Ring Groove Diameter: 4.199 inches minimum and 4.214 inches maximum 1st ring
Ring Groove Diameter: 4.299 inches minimum and 4.214 inches maximum 2nd ring
Oil Groove: not included
Distance From Pin Hole Center To Extreme Top: 2.813 inches nominal
Pin Hole Bushing: included
Distance Between Pin Bosses: 2.125 inches minimum and 2.145 inches maximum
Retaining Ring Groove: included
Pin: not included
Pin Type For Which Designed: floating
Ring: not included
Carbon Groove: not included
Material: iron cast
Weight: 82.0 ounces
Fsc Application Data: block assemblies,gasoline reciprocating engine,except aircraft prime moving and starting engine types

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
10B210	Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2805-00-354-0647?

The FSCG of the NSN 2805-00-354-0647 is 2805

Does the NSN 2805-00-354-0647 have a Schedule B code assigned?

Yes, the Schedule B code is 8409918000

Does NSN 2805-00-354-0647 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 2805-00-354-0647 contain precious materials?

Item does not contain precious metal.

Does NSN 2805-00-354-0647 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 2805-00-354-0647 was assigned to the Federal Catalog?

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