2805-00-389-6602

Find complete technical information, availability, and procurement data for: 2805-00-389-6602
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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

2805-00-389-6602

Item Name Code

16509

Assigment Date

01/01/1963 (63 years ago)

0.7480 inches minimum and 0.7490 inches maximum pinhole diameter, 3.062 inches nominal overall height, 3.250 inches nominal diameter, slot oil passage type, flat head style

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: 3.062 inches nominal
Diameter: 3.250 inches nominal
Oil Passage Type: slot
Pinhole Diameter: 0.7480 inches minimum and 0.7490 inches maximum
Surface Finish: finished
Finished Size Designation: oversize
Oversize: 0.020 inches nominal
Skirt Type: full split
Skirt Bottom Cutaway Feature: not included
Ring Groove Quantity: 3
Ring Groove Width: 0.1880 inches minimum and 0.1890 inches maximum 2nd ring
Ring Groove Width: 0.1255 inches minimum and 0.1265 inches maximum 1st ring
Ring Groove Diameter: 2.900 inches maximum 4th ring
Ring Groove Diameter: 2.890 inches minimum 3rd ring
Ring Groove Diameter: 2.930 inches minimum 1st ring
Ring Groove Diameter: 2.940 inches maximum 2nd ring
Oil Groove: not included
Distance From Pin Hole Center To Extreme Top: 1.432 inches minimum and 1.437 inches maximum
Pin Hole Bushing: not included
Distance Between Pin Bosses: 1.000 inches nominal
Retaining Ring Groove: included
Pin: included
Pin Type For Which Designed: floating
Ring: not included
Carbon Groove: not included
Skirt Slot Style: base to groove slot
Material: aluminum
Surface Treatment: tin
Weight: 15.5 ounces
Fsc Application Data: block assemblies,gasoline reciprocating engine,except aircraft prime moving and starting engine types

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2805-00-374-4994	No Name Available	09/15/1967

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
38107ASP020	Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2805-00-389-6602?

The FSCG of the NSN 2805-00-389-6602 is 2805

Does the NSN 2805-00-389-6602 have a Schedule B code assigned?

Yes, the Schedule B code is 8409918000

Does NSN 2805-00-389-6602 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 2805-00-389-6602 contain precious materials?

Precious metal content is unknown

Does NSN 2805-00-389-6602 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 2805-00-389-6602 was assigned to the Federal Catalog?

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