2805-00-594-5859

Find complete technical information, availability, and procurement data for: 2805-00-594-5859
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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

2805-00-594-5859

Item Name Code

16509

Assigment Date

09/27/1977 (48 years ago)

3.624 inches minimum and 3.625 inches maximum diameter, 0.9996 inches minimum and 0.9999 inches maximum pinhole diameter, flat head style, slot oil passage type, 3.313 inches nominal overall height

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: 3.313 inches nominal
Diameter: 3.624 inches minimum and 3.625 inches maximum
Oil Passage Type: slot
Pinhole Diameter: 0.9996 inches minimum and 0.9999 inches maximum
Surface Finish: finished
Finished Size Designation: standard
Skirt Type: solid
Cut Depth: 0.503 inches nominal
Skirt Bottom Cutaway Feature: not included
Ring Groove Quantity: 3
Ring Groove Width: 0.0965 inches minimum and 0.0975 inches maximum 1st ring
Ring Groove Width: 0.0965 inches minimum and 0.0975 inches maximum 2nd ring
Ring Groove Width: 0.1875 inches minimum and 0.1885 inches maximum 3rd ring
Groove Taper Angle: grooves not tapered
Ring Groove Diameter: 3.253 inches minimum and 3.263 inches maximum 1st ring
Ring Groove Diameter: 3.213 inches minimum and 3.223 inches maximum 3rd ring
Ring Groove Diameter: 3.253 inches minimum and 3.263 inches maximum 2nd ring
Oil Groove: not included
Distance From Pin Hole Center To Extreme Top: 2.062 inches minimum and 2.065 inches maximum
Pin Hole Bushing: not included
Distance Between Pin Bosses: 1.500 inches nominal
Retaining Ring Groove: included
Pin: not included
Pin Type For Which Designed: floating
Ring: included
Carbon Groove: included
Skirt Slot Style: groove convex slot
Material: aluminum
Surface Treatment: anodize
Weight: 20.5 ounces

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2805-00-695-6139	No Name Available	03/01/1979
2805-00-740-2026	No Name Available	06/11/1972

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
7402960	Internal Combustion Engin Piston
7402965	Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2805-00-594-5859?

The FSCG of the NSN 2805-00-594-5859 is 2805

Does the NSN 2805-00-594-5859 have a Schedule B code assigned?

Yes, the Schedule B code is 8409918000

Does NSN 2805-00-594-5859 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 2805-00-594-5859 contain precious materials?

Precious metal content is unknown

Does NSN 2805-00-594-5859 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 2805-00-594-5859 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Tue, Sep 27, 1977