2815-00-307-8821

Find complete technical information, availability, and procurement data for: 2815-00-307-8821
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-307-8821

Item Name Code

16509

Assigment Date

01/01/1961 (65 years ago)

hole 2nd ring oil passage type, hole 3rd ring oil passage type, 4.188 inches nominal overall height, 3.310 inches minimum and 3.311 inches maximum diameter, contour 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: contour
Overall Height: 4.188 inches nominal
Diameter: 3.310 inches minimum and 3.311 inches maximum
Oil Passage Type: hole 2nd ring
Oil Passage Type: hole 3rd ring
Surface Finish: finished
Finished Size Designation: standard
Skirt Type: semisplit
Skirt Bottom Cutaway Feature: not included
Ring Groove Quantity: 5
Ring Groove Width: 0.2510 inches nominal 2nd ring
Ring Groove Width: 0.1240 inches nominal 1st ring
Groove Taper Angle: 15 deg min,15 deg 15 minutes max all rings
Ring Groove Diameter: 2.925 inches minimum and 2.935 inches maximum 2nd ring
Ring Groove Diameter: 2.965 inches minimum and 2.975 inches maximum 1st ring
Ring Groove Position Below Piston Pin: number 1,number 2,number 3,number 4,and number 5 all rings
Oil Groove: included
Distance From Pin Hole Center To Extreme Top: 2.311 inches minimum and 2.313 inches maximum
Pin Hole Bushing: not included
Retaining Ring Groove: included
Pin: not included
Pin Type For Which Designed: locking
Ring: included
Carbon Groove: not included
Material: iron cast
Weight: 25.0 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
181404	Internal Combustion Engin Piston
835-57	Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2815-00-307-8821?

The FSCG of the NSN 2815-00-307-8821 is 2815

Does the NSN 2815-00-307-8821 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-307-8821 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 2815-00-307-8821 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-307-8821 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 2815-00-307-8821 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961