655216-1

View detailed technical data, stock status, and sourcing information for: 655216-1
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-427-0551

Item Name Code

16509

Assigment Date

05/08/1974 (52 years ago)

finished surface finish, 5.695 inches minimum and 5.703 inches maximum diameter, 6.870 inches nominal overall height, 2.1268 inches minimum and 2.1270 inches maximum pinhole diameter, dome 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: dome
Overall Height: 6.870 inches nominal
Diameter: 5.695 inches minimum and 5.703 inches maximum
Pinhole Diameter: 2.1268 inches minimum and 2.1270 inches maximum
Surface Finish: finished
Finished Size Designation: oversize
Oversize: 0.010 inches nominal
Skirt Type: semisplit
Cut Depth: 5.120 inches nominal
Skirt Bottom Cutaway Feature: included
Ring Groove Quantity: 4
Ring Groove Width: 0.1880 inches minimum and 0.0990 inches maximum 4th ring
Ring Groove Width: 0.0980 inches minimum and 0.0990 inches maximum 3rd ring
Ring Groove Width: 0.0990 inches minimum and 0.1000 inches maximum 2nd ring
Ring Groove Width: 0.0995 inches minimum and 0.1005 inches maximum 1st ring
Groove Taper Angle: 7 degree 20 minutes plus 10 minutes
Ring Groove Diameter: 5.197 inches minimum and 5.202 inches maximum 1st ring
Ring Groove Diameter: 5.179 inches minimum and 1.189 inches maximum 4th ring
Ring Groove Diameter: 5.220 inches minimum and 5.230 inches maximum 2nd ring
Ring Groove Diameter: 5.220 inches minimum and 5.230 inches maximum 3rd ring
Oil Groove: not included
Distance From Pin Hole Center To Extreme Top: 4.750 inches nominal
Pin Hole Bushing: not included
Retaining Ring Groove: not included
Pin: not included
Pin Type For Which Designed: floating
Ring: not included
Carbon Groove: not included
Material: steel
Weight: 126.3 ounces

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
11683943-1	Internal Combustion Engin Piston
2815004270551	Internal Combustion Engin Piston
655216-1	Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2815-00-427-0551?

The FSCG of the NSN 2815-00-427-0551 is 2815

Does the NSN 2815-00-427-0551 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-427-0551 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 2815-00-427-0551 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-427-0551 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 2815-00-427-0551 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Wed, May 8, 1974