5197920

View detailed technical data, stock status, and sourcing information for: 5197920
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-075-7477

Item Name Code

16509

Assigment Date

01/01/1963 (63 years ago)

hat head style, hole oil passage type, 1.6875 inches nominal pinhole diameter, 6.063 inches nominal overall height, 4.250 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: hat
Overall Height: 6.063 inches nominal
Diameter: 4.250 inches nominal
Oil Passage Type: hole
Pinhole Diameter: 1.6875 inches nominal
Surface Finish: finished
Finished Size Designation: standard
Skirt Type: solid
Skirt Bottom Cutaway Feature: not included
Ring Groove Quantity: 6
Ring Groove Width: 0.1875 inches nominal 3rd ring
Ring Groove Width: 0.1875 inches nominal 4th ring
Ring Groove Width: 0.1875 inches nominal 5th ring
Ring Groove Width: 0.1875 inches nominal 6th ring
Ring Groove Width: 0.0938 inches nominal 1st ring
Ring Groove Width: 0.0938 inches nominal 2nd ring
Ring Groove Diameter: 3.813 inches nominal 3rd ring
Ring Groove Diameter: 3.813 inches nominal 4th ring
Ring Groove Diameter: 3.813 inches nominal 5th ring
Ring Groove Diameter: 3.813 inches nominal 6th ring
Ring Groove Diameter: 3.875 inches nominal 1st ring
Ring Groove Diameter: 3.875 inches nominal 2nd ring
Ring Groove Position Below Piston Pin: number 1,number 2,number 3,number 4,number 5,number 6 all rings
Oil Groove: included
Distance From Pin Hole Center To Extreme Top: 3.500 inches nominal
Pin Hole Bushing: included
Distance Between Pin Bosses: 1.875 inches nominal
Retaining Ring Groove: not included
Pin: not included
Pin Type For Which Designed: floating
Ring: not included
Carbon Groove: not included
Material: steel
Weight: 106.0 ounces

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2815-00-251-2176	No Name Available	09/16/1972
2815-00-676-7091	No Name Available	01/02/1975

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
5149234	Internal Combustion Engin Piston
5197549	Internal Combustion Engin Piston
5197920	Internal Combustion Engin Piston
5198839	Internal Combustion Engin Piston
PC5149234	Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2815-00-075-7477?

The FSCG of the NSN 2815-00-075-7477 is 2815

Does the NSN 2815-00-075-7477 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-075-7477 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 2815-00-075-7477 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-075-7477 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 2815-00-075-7477 was assigned to the Federal Catalog?

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