2805-01-020-8364

Find complete technical information, availability, and procurement data for: 2805-01-020-8364
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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

2805-01-020-8364

Item Name Code

16509

Assigment Date

05/07/1976 (50 years ago)

4.000 inches nominal diameter, slot 3rd ring oil passage type, flat head style, 3.656 inches nominal overall height, 1.0000 inches nominal pinhole 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: 3.656 inches nominal
Diameter: 4.000 inches nominal
Oil Passage Type: slot 3rd ring
Pinhole Diameter: 1.0000 inches nominal
Surface Finish: finished
Finished Size Designation: oversize
Oversize: 0.030 inches nominal
Skirt Type: solid
Cut Depth: 1.047 inches nominal
Skirt Bottom Cutaway Feature: included
Ring Groove Quantity: 3
Ring Groove Width: 0.1875 inches nominal 3rd ring
Ring Groove Width: 0.0312 inches nominal 1st ring
Ring Groove Width: 0.0312 inches nominal 2nd ring
Ring Groove Diameter: 3.563 inches nominal 1st ring
Ring Groove Diameter: 3.563 inches nominal 2nd ring
Ring Groove Diameter: 3.594 inches nominal 3rd ring
Oil Groove: not included
Distance From Pin Hole Center To Extreme Top: 1.750 inches nominal
Pin Hole Bushing: not included
Distance Between Pin Bosses: 1.250 inches nominal
Retaining Ring Groove: not included
Pin: included
Pin Type For Which Designed: locking
Ring: not included
Carbon Groove: not included
Material: aluminum

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
1081P+30	Internal Combustion Engin Piston
3251-030	Internal Combustion Engin Piston
D3TZ6108E	Internal Combustion Engin Piston
H519P30	Internal Combustion Engin Piston
L2914F-30	Internal Combustion Engin Piston
P719-030-432ZC4AXA-799753251-030	Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2805-01-020-8364?

The FSCG of the NSN 2805-01-020-8364 is 2805

Does the NSN 2805-01-020-8364 have a Schedule B code assigned?

Yes, the Schedule B code is 8409918000

Does NSN 2805-01-020-8364 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 2805-01-020-8364 contain precious materials?

Precious metal content is unknown

Does NSN 2805-01-020-8364 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 2805-01-020-8364 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Fri, May 7, 1976